260655155556 has 12 divisors (see below), whose sum is σ = 608195362992. Its totient is φ = 86885051848.

The previous prime is 260655155539. The next prime is 260655155561. The reversal of 260655155556 is 655551556062.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×260655155556² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260655155499 and 260655155508.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10860631470 + ... + 10860631493.

It is an arithmetic number, because the mean of its divisors is an integer number (50682946916).

Almost surely, 2^260655155556 is an apocalyptic number.

It is an amenable number.

260655155556 is an abundant number, since it is smaller than the sum of its proper divisors (347540207436).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

260655155556 is a wasteful number, since it uses less digits than its factorization.

260655155556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21721262970 (or 21721262968 counting only the distinct ones).

The product of its (nonzero) digits is 6750000, while the sum is 51.

The spelling of 260655155556 in words is "two hundred sixty billion, six hundred fifty-five million, one hundred fifty-five thousand, five hundred fifty-six".