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11051556101 = 181317192613
BaseRepresentation
bin10100100101011100…
…10101110100000101
31001112012110012220122
422102232111310011
5140113144243401
65024345111325
7540603451115
oct122256256405
931465405818
1011051556101
114761351743
122185188545
131071809111
1476ba91045
1544a37521b
hex292b95d05

11051556101 has 8 divisors (see below), whose sum is σ = 11147727864. Its totient is φ = 10955770560.

The previous prime is 11051556091. The next prime is 11051556121. The reversal of 11051556101 is 10165515011.

It can be written as a sum of positive squares in 4 ways, for example, as 1378636900 + 9672919201 = 37130^2 + 98351^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11051556101 - 226 = 10984447237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11051556121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38930 + ... + 153683.

It is an arithmetic number, because the mean of its divisors is an integer number (1393465983).

Almost surely, 211051556101 is an apocalyptic number.

It is an amenable number.

11051556101 is a deficient number, since it is larger than the sum of its proper divisors (96171763).

11051556101 is a wasteful number, since it uses less digits than its factorization.

11051556101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193111.

The product of its (nonzero) digits is 750, while the sum is 26.

The spelling of 11051556101 in words is "eleven billion, fifty-one million, five hundred fifty-six thousand, one hundred one".

Divisors: 1 181 317 57377 192613 34862953 61058321 11051556101