515506056464 has 20 divisors (see below), whose sum is σ = 1141477696704. Its totient is φ = 220931167008.

The previous prime is 515506056421. The next prime is 515506056503. The reversal of 515506056464 is 464650605515.

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, 2301366212 + ... + 2301366435.

Almost surely, 2^515506056464 is an apocalyptic number.

It is an amenable number.

515506056464 is an abundant number, since it is smaller than the sum of its proper divisors (625971640240).

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

515506056464 is a wasteful number, since it uses less digits than its factorization.

515506056464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602732662 (or 4602732656 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 47.

The spelling of 515506056464 in words is "five hundred fifteen billion, five hundred six million, fifty-six thousand, four hundred sixty-four".