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105555061051 = 11192127311673
BaseRepresentation
bin110001001001110010…
…0100110100100111011
3101002110022110200102121
41202103210212210323
53212134043423201
6120254043142111
710424516133526
oct1422344464473
9332408420377
10105555061051
1140847097750
121855a214937
139c5266130b
145174b2bbbd
152b2bc839a1
hex189392693b

105555061051 has 48 divisors (see below), whose sum is σ = 123063902208. Its totient is φ = 89769254400.

The previous prime is 105555061037. The next prime is 105555061067. The reversal of 105555061051 is 150160555501.

It is not a de Polignac number, because 105555061051 - 211 = 105555059003 is a prime.

It is a super-2 number, since 2×1055550610512 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105555060998 and 105555061016.

It is not an unprimeable number, because it can be changed into a prime (105555061021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156842251 + ... + 156842923.

It is an arithmetic number, because the mean of its divisors is an integer number (2563831296).

Almost surely, 2105555061051 is an apocalyptic number.

105555061051 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

105555061051 is a deficient number, since it is larger than the sum of its proper divisors (17508841157).

105555061051 is a wasteful number, since it uses less digits than its factorization.

105555061051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 105555061051 in words is "one hundred five billion, five hundred fifty-five million, sixty-one thousand, fifty-one".

Divisors: 1 11 19 127 209 311 361 673 1397 2413 3421 3971 5909 7403 12787 26543 39497 45847 64999 85471 112271 140657 209303 242953 434467 504317 750443 940181 1234981 1623949 2302333 2672483 3976757 8254873 14258417 17863439 26581481 30855031 43744327 75558383 156842587 292396291 339405341 505048139 831142213 5555529529 9595914641 105555061051