25503110635056 has 80 divisors (see below), whose sum is σ = 65953130634240. Its totient is φ = 8491993966080.

The previous prime is 25503110635039. The next prime is 25503110635063. The reversal of 25503110635056 is 65053601130552.

It is a super-2 number, since 2×25503110635056² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25503110634999 and 25503110635017.

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, 783032340 + ... + 783064908.

It is an arithmetic number, because the mean of its divisors is an integer number (824414132928).

Almost surely, 2^{25503110635056} is an apocalyptic number.

It is an amenable number.

25503110635056 is an abundant number, since it is smaller than the sum of its proper divisors (40450019999184).

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

25503110635056 is a wasteful number, since it uses less digits than its factorization.

25503110635056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49434 (or 49428 counting only the distinct ones).

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 25503110635056 in words is "twenty-five trillion, five hundred three billion, one hundred ten million, six hundred thirty-five thousand, fifty-six".