25555025050 has 24 divisors (see below), whose sum is σ = 48002973372. Its totient is φ = 10120800000.

The previous prime is 25555025033. The next prime is 25555025063. The reversal of 25555025050 is 5052055552.

It can be written as a sum of positive squares in 6 ways, for example, as 9530250129 + 16024774921 = 97623^2 + 126589^2 .

It is a super-2 number, since 2×25555025050² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25555024997 and 25555025015.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2525151 + ... + 2535250.

Almost surely, 2^25555025050 is an apocalyptic number.

25555025050 is a deficient number, since it is larger than the sum of its proper divisors (22447948322).

25555025050 is a wasteful number, since it uses less digits than its factorization.

25555025050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5060514 (or 5060509 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 25555025050 in words is "twenty-five billion, five hundred fifty-five million, twenty-five thousand, fifty".