25212558976 has 48 divisors (see below), whose sum is σ = 55209482370. Its totient is φ = 11460247040.

The previous prime is 25212558971. The next prime is 25212558977. The reversal of 25212558976 is 67985521252.

It can be written as a sum of positive squares in only one way, i.e., 24343488576 + 869070400 = 156024^2 + 29480^2 .

It is not an unprimeable number, because it can be changed into a prime (25212558971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 798451 + ... + 829426.

Almost surely, 2^25212558976 is an apocalyptic number.

It is an amenable number.

25212558976 is an abundant number, since it is smaller than the sum of its proper divisors (29996923394).

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

25212558976 is a wasteful number, since it uses less digits than its factorization.

25212558976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627913 (or 1627890 counting only the distinct ones).

The product of its digits is 3024000, while the sum is 52.

The spelling of 25212558976 in words is "twenty-five billion, two hundred twelve million, five hundred fifty-eight thousand, nine hundred seventy-six".