516261430545 has 32 divisors (see below), whose sum is σ = 944586842880. Its totient is φ = 235863740160.

The previous prime is 516261430513. The next prime is 516261430567. The reversal of 516261430545 is 545034162615.

It is not a de Polignac number, because 516261430545 - 2⁵ = 516261430513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 516261430497 and 516261430506.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1297726 + ... + 1648215.

It is an arithmetic number, because the mean of its divisors is an integer number (29518338840).

Almost surely, 2^516261430545 is an apocalyptic number.

It is an amenable number.

516261430545 is a deficient number, since it is larger than the sum of its proper divisors (428325412335).

516261430545 is a wasteful number, since it uses less digits than its factorization.

516261430545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2947625.

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 516261430545 in words is "five hundred sixteen billion, two hundred sixty-one million, four hundred thirty thousand, five hundred forty-five".