25959791532 has 24 divisors (see below), whose sum is σ = 60590090736. Its totient is φ = 8650800448.

The previous prime is 25959791521. The next prime is 25959791573. The reversal of 25959791532 is 23519795952.

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 7 ways as a sum of consecutive naturals, for example, 263763 + ... + 348554.

It is an arithmetic number, because the mean of its divisors is an integer number (2524587114).

Almost surely, 2^25959791532 is an apocalyptic number.

It is an amenable number.

25959791532 is an abundant number, since it is smaller than the sum of its proper divisors (34630299204).

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

25959791532 is a wasteful number, since it uses less digits than its factorization.

25959791532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615857 (or 615855 counting only the distinct ones).

The product of its digits is 7654500, while the sum is 57.

The spelling of 25959791532 in words is "twenty-five billion, nine hundred fifty-nine million, seven hundred ninety-one thousand, five hundred thirty-two".