515611115152 has 40 divisors (see below), whose sum is σ = 1160426904512. Its totient is φ = 217353628800.

The previous prime is 515611115143. The next prime is 515611115177. The reversal of 515611115152 is 251511116515.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37728174 + ... + 37741837.

Almost surely, 2^515611115152 is an apocalyptic number.

It is an amenable number.

515611115152 is an abundant number, since it is smaller than the sum of its proper divisors (644815789360).

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

515611115152 is a wasteful number, since it uses less digits than its factorization.

515611115152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75470087 (or 75470081 counting only the distinct ones).

The product of its digits is 7500, while the sum is 34.

The spelling of 515611115152 in words is "five hundred fifteen billion, six hundred eleven million, one hundred fifteen thousand, one hundred fifty-two".