251120132044 has 12 divisors (see below), whose sum is σ = 439467341544. Its totient is φ = 125558034464.

The previous prime is 251120132033. The next prime is 251120132069. The reversal of 251120132044 is 440231021152.

251120132044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×251120132044² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210409 + ... + 739264.

It is an arithmetic number, because the mean of its divisors is an integer number (36622278462).

Almost surely, 2^251120132044 is an apocalyptic number.

It is an amenable number.

251120132044 is a deficient number, since it is larger than the sum of its proper divisors (188347209500).

251120132044 is a wasteful number, since it uses less digits than its factorization.

251120132044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1015784 (or 1015782 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 251120132044 its reverse (440231021152), we get a palindrome (691351153196).

The spelling of 251120132044 in words is "two hundred fifty-one billion, one hundred twenty million, one hundred thirty-two thousand, forty-four".