25152555152 has 20 divisors (see below), whose sum is σ = 50413527420. Its totient is φ = 12142612608.

The previous prime is 25152555143. The next prime is 25152555179. The reversal of 25152555152 is 25155525152.

It can be written as a sum of positive squares in 2 ways, for example, as 16792013056 + 8360542096 = 129584^2 + 91436^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27103583 + ... + 27104510.

It is an arithmetic number, because the mean of its divisors is an integer number (2520676371).

Almost surely, 2^25152555152 is an apocalyptic number.

It is an amenable number.

25152555152 is an abundant number, since it is smaller than the sum of its proper divisors (25260972268).

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

25152555152 is a wasteful number, since it uses less digits than its factorization.

25152555152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54208130 (or 54208124 counting only the distinct ones).

The product of its digits is 125000, while the sum is 38.

The spelling of 25152555152 in words is "twenty-five billion, one hundred fifty-two million, five hundred fifty-five thousand, one hundred fifty-two".