25275151264 has 48 divisors (see below), whose sum is σ = 55608166656. Its totient is φ = 11208486400.

The previous prime is 25275151259. The next prime is 25275151271. The reversal of 25275151264 is 46215157252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 861232 + ... + 890095.

It is an arithmetic number, because the mean of its divisors is an integer number (1158503472).

Almost surely, 2^25275151264 is an apocalyptic number.

It is an amenable number.

25275151264 is an abundant number, since it is smaller than the sum of its proper divisors (30333015392).

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

25275151264 is a wasteful number, since it uses less digits than its factorization.

25275151264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1751389 (or 1751381 counting only the distinct ones).

The product of its digits is 168000, while the sum is 40.

The spelling of 25275151264 in words is "twenty-five billion, two hundred seventy-five million, one hundred fifty-one thousand, two hundred sixty-four".