512117612654 has 16 divisors (see below), whose sum is σ = 782854987200. Its totient is φ = 251207240544.

The previous prime is 512117612581. The next prime is 512117612681. The reversal of 512117612654 is 456216711215.

It is a congruent number.

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, 10297649 + ... + 10347260.

It is an arithmetic number, because the mean of its divisors is an integer number (48928436700).

Almost surely, 2^512117612654 is an apocalyptic number.

512117612654 is a deficient number, since it is larger than the sum of its proper divisors (270737374546).

512117612654 is a wasteful number, since it uses less digits than its factorization.

512117612654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20645147.

The product of its digits is 100800, while the sum is 41.

The spelling of 512117612654 in words is "five hundred twelve billion, one hundred seventeen million, six hundred twelve thousand, six hundred fifty-four".