25351615352 has 16 divisors (see below), whose sum is σ = 54324890160. Its totient is φ = 10864977984.

The previous prime is 25351615351. The next prime is 25351615441.

25351615352 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25351615351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226353653 + ... + 226353764.

It is an arithmetic number, because the mean of its divisors is an integer number (3395305635).

Almost surely, 2^25351615352 is an apocalyptic number.

It is an amenable number.

25351615352 is an abundant number, since it is smaller than the sum of its proper divisors (28973274808).

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

25351615352 is a wasteful number, since it uses less digits than its factorization.

25351615352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452707430 (or 452707426 counting only the distinct ones).

The product of its digits is 135000, while the sum is 38.

The spelling of 25351615352 in words is "twenty-five billion, three hundred fifty-one million, six hundred fifteen thousand, three hundred fifty-two".