25206152056 has 16 divisors (see below), whose sum is σ = 47473473600. Its totient is φ = 12546559104.

The previous prime is 25206152033. The next prime is 25206152071. The reversal of 25206152056 is 65025160252.

It is a congruent number.

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, 7062721 + ... + 7066288.

It is an arithmetic number, because the mean of its divisors is an integer number (2967092100).

Almost surely, 2^25206152056 is an apocalyptic number.

It is an amenable number.

25206152056 is a deficient number, since it is larger than the sum of its proper divisors (22267321544).

25206152056 is a wasteful number, since it uses less digits than its factorization.

25206152056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14129238 (or 14129234 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

The spelling of 25206152056 in words is "twenty-five billion, two hundred six million, one hundred fifty-two thousand, fifty-six".