25342912072528 has 10 divisors (see below), whose sum is σ = 49101892140554. Its totient is φ = 12671456036256.

The previous prime is 25342912072523. The next prime is 25342912072529. The reversal of 25342912072528 is 82527021924352.

It can be written as a sum of positive squares in only one way, i.e., 14351883638544 + 10991028433984 = 3788388^2 + 3315272^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25342912072523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 791966002251 + ... + 791966002282.

Almost surely, 2^{25342912072528} is an apocalyptic number.

It is an amenable number.

25342912072528 is a deficient number, since it is larger than the sum of its proper divisors (23758980068026).

25342912072528 is a wasteful number, since it uses less digits than its factorization.

25342912072528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583932004541 (or 1583932004535 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 25342912072528 in words is "twenty-five trillion, three hundred forty-two billion, nine hundred twelve million, seventy-two thousand, five hundred twenty-eight".