25715651752 has 64 divisors (see below), whose sum is σ = 55466449920. Its totient is φ = 10948912128.

The previous prime is 25715651737. The next prime is 25715651807.

25715651752 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×25715651752² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6953968 + ... + 6957664.

It is an arithmetic number, because the mean of its divisors is an integer number (866663280).

Almost surely, 2^25715651752 is an apocalyptic number.

It is an amenable number.

25715651752 is an abundant number, since it is smaller than the sum of its proper divisors (29750798168).

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

25715651752 is a wasteful number, since it uses less digits than its factorization.

25715651752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4490 (or 4486 counting only the distinct ones).

The product of its digits is 735000, while the sum is 46.

The spelling of 25715651752 in words is "twenty-five billion, seven hundred fifteen million, six hundred fifty-one thousand, seven hundred fifty-two".