25101252552 has 32 divisors (see below), whose sum is σ = 64283698080. Its totient is φ = 8163008640.

The previous prime is 25101252521. The next prime is 25101252563. The reversal of 25101252552 is 25525210152.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12753718 + ... + 12755685.

It is an arithmetic number, because the mean of its divisors is an integer number (2008865565).

Almost surely, 2^25101252552 is an apocalyptic number.

It is an amenable number.

25101252552 is an abundant number, since it is smaller than the sum of its proper divisors (39182445528).

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

25101252552 is a wasteful number, since it uses less digits than its factorization.

25101252552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25509453 (or 25509449 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 25101252552 in words is "twenty-five billion, one hundred one million, two hundred fifty-two thousand, five hundred fifty-two".