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1055555555051 = 1961409904681
BaseRepresentation
bin11110101110001000000…
…00111000111011101011
310201220120111000000221002
433113010000320323223
5114243234210230201
62124525430505215
7136155436115204
oct17270400707353
93656514000832
101055555555051
11377727657758
121506a750520b
1378700000c3a
14391369325ab
151c6cdc0176b
hexf5c4038eeb

1055555555051 has 8 divisors (see below), whose sum is σ = 1111130432400. Its totient is φ = 999982609920.

The previous prime is 1055555555011. The next prime is 1055555555053. The reversal of 1055555555051 is 1505555555501.

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

It is a de Polignac number, because none of the positive numbers 2k-1055555555051 is a prime.

It is a super-2 number, since 2×10555555550512 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1055555554987 and 1055555555005.

It is not an unprimeable number, because it can be changed into a prime (1055555555053) 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, 714431 + ... + 1619111.

It is an arithmetic number, because the mean of its divisors is an integer number (138891304050).

Almost surely, 21055555555051 is an apocalyptic number.

1055555555051 is a deficient number, since it is larger than the sum of its proper divisors (55574877349).

1055555555051 is an equidigital number, since it uses as much as digits as its factorization.

1055555555051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966109.

The product of its (nonzero) digits is 1953125, while the sum is 47.

The spelling of 1055555555051 in words is "one trillion, fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, fifty-one".

Divisors: 1 19 61409 904681 1166771 17188939 55555555529 1055555555051