25111355052 has 48 divisors (see below), whose sum is σ = 66972471552. Its totient is φ = 7173723840.

The previous prime is 25111355039. The next prime is 25111355057. The reversal of 25111355052 is 25055311152.

It is not an unprimeable number, because it can be changed into a prime (25111355057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 840523 + ... + 869885.

It is an arithmetic number, because the mean of its divisors is an integer number (1395259824).

Almost surely, 2^25111355052 is an apocalyptic number.

It is an amenable number.

25111355052 is an abundant number, since it is smaller than the sum of its proper divisors (41861116500).

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

25111355052 is a wasteful number, since it uses less digits than its factorization.

25111355052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39558 (or 39556 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The spelling of 25111355052 in words is "twenty-five billion, one hundred eleven million, three hundred fifty-five thousand, fifty-two".