25774609512 has 32 divisors (see below), whose sum is σ = 65212872480. Its totient is φ = 8488023360.

The previous prime is 25774609477. The next prime is 25774609529. The reversal of 25774609512 is 21590647752.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6467539 + ... + 6471522.

It is an arithmetic number, because the mean of its divisors is an integer number (2037902265).

Almost surely, 2^25774609512 is an apocalyptic number.

It is an amenable number.

25774609512 is an abundant number, since it is smaller than the sum of its proper divisors (39438262968).

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

25774609512 is a wasteful number, since it uses less digits than its factorization.

25774609512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12939153 (or 12939149 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 48.

The spelling of 25774609512 in words is "twenty-five billion, seven hundred seventy-four million, six hundred nine thousand, five hundred twelve".