651131113504 has 48 divisors (see below), whose sum is σ = 1291204091520. Its totient is φ = 323210684160.

The previous prime is 651131113483. The next prime is 651131113541. The reversal of 651131113504 is 405311131156.

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, 4683262 + ... + 4820290.

It is an arithmetic number, because the mean of its divisors is an integer number (26900085240).

Almost surely, 2^651131113504 is an apocalyptic number.

It is an amenable number.

651131113504 is a deficient number, since it is larger than the sum of its proper divisors (640072978016).

651131113504 is a wasteful number, since it uses less digits than its factorization.

651131113504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138113 (or 138105 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 31.

The spelling of 651131113504 in words is "six hundred fifty-one billion, one hundred thirty-one million, one hundred thirteen thousand, five hundred four".