25775250257000 has 64 divisors (see below), whose sum is σ = 62393881726800. Its totient is φ = 9954579398400.

The previous prime is 25775250256901. The next prime is 25775250257023. The reversal of 25775250257000 is 75205257752.

It can be written as a sum of positive squares in 8 ways, for example, as 30159879556 + 25745090377444 = 173666^2 + 5073962^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 444371867 + ... + 444429866.

Almost surely, 2^{25775250257000} is an apocalyptic number.

25775250257000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25775250257000 is an abundant number, since it is smaller than the sum of its proper divisors (36618631469800).

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

25775250257000 is a wasteful number, since it uses less digits than its factorization.

25775250257000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888801783 (or 888801769 counting only the distinct ones).

The product of its (nonzero) digits is 1715000, while the sum is 47.

The spelling of 25775250257000 in words is "twenty-five trillion, seven hundred seventy-five billion, two hundred fifty million, two hundred fifty-seven thousand".