516231063555 has 16 divisors (see below), whose sum is σ = 826136112384. Its totient is φ = 275267763680.

The previous prime is 516231063541. The next prime is 516231063571. The reversal of 516231063555 is 555360132615.

It is not a de Polignac number, because 516231063555 - 2²² = 516226869251 is a prime.

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, 3389901 + ... + 3538910.

It is an arithmetic number, because the mean of its divisors is an integer number (51633507024).

Almost surely, 2^516231063555 is an apocalyptic number.

516231063555 is a deficient number, since it is larger than the sum of its proper divisors (309905048829).

516231063555 is a wasteful number, since it uses less digits than its factorization.

516231063555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6933786.

The product of its (nonzero) digits is 405000, while the sum is 42.

The spelling of 516231063555 in words is "five hundred sixteen billion, two hundred thirty-one million, sixty-three thousand, five hundred fifty-five".