25963615880 has 32 divisors (see below), whose sum is σ = 58432622400. Its totient is φ = 10382870976.

The previous prime is 25963615861. The next prime is 25963615897. The reversal of 25963615880 is 8851636952.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

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, 87149 + ... + 243971.

It is an arithmetic number, because the mean of its divisors is an integer number (1826019450).

Almost surely, 2^25963615880 is an apocalyptic number.

25963615880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25963615880 is an abundant number, since it is smaller than the sum of its proper divisors (32469006520).

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

25963615880 is a wasteful number, since it uses less digits than its factorization.

25963615880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160973 (or 160969 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 25963615880 in words is "twenty-five billion, nine hundred sixty-three million, six hundred fifteen thousand, eight hundred eighty".