25677560555 has 16 divisors (see below), whose sum is σ = 31815915264. Its totient is φ = 19873856640.

The previous prime is 25677560549. The next prime is 25677560599. The reversal of 25677560555 is 55506577652.

It is not a de Polignac number, because 25677560555 - 2²⁸ = 25409125099 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25677560497 and 25677560506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585989 + ... + 628281.

It is an arithmetic number, because the mean of its divisors is an integer number (1988494704).

Almost surely, 2^25677560555 is an apocalyptic number.

25677560555 is a deficient number, since it is larger than the sum of its proper divisors (6138354709).

25677560555 is a wasteful number, since it uses less digits than its factorization.

25677560555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46246.

The product of its (nonzero) digits is 11025000, while the sum is 53.

The spelling of 25677560555 in words is "twenty-five billion, six hundred seventy-seven million, five hundred sixty thousand, five hundred fifty-five".