25031116053220 has 48 divisors (see below), whose sum is σ = 53423081712000. Its totient is φ = 9850198406400.

The previous prime is 25031116053211. The next prime is 25031116053233. The reversal of 25031116053220 is 2235061113052.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34978506 + ... + 35686945.

It is an arithmetic number, because the mean of its divisors is an integer number (1112980869000).

Almost surely, 2^{25031116053220} is an apocalyptic number.

25031116053220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25031116053220 is an abundant number, since it is smaller than the sum of its proper divisors (28391965658780).

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

25031116053220 is a wasteful number, since it uses less digits than its factorization.

25031116053220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70665748 (or 70665746 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 25031116053220 its reverse (2235061113052), we get a palindrome (27266177166272).

The spelling of 25031116053220 in words is "twenty-five trillion, thirty-one billion, one hundred sixteen million, fifty-three thousand, two hundred twenty".