515731052151 has 48 divisors (see below), whose sum is σ = 853246867200. Its totient is φ = 294052809600.

The previous prime is 515731052047. The next prime is 515731052183. The reversal of 515731052151 is 151250137515.

515731052151 is a `hidden beast` number, since 5 + 1 + 5 + 73 + 10 + 521 + 51 = 666.

It is not a de Polignac number, because 515731052151 - 2²⁹ = 515194181239 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (515731052251) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125816700 + ... + 125820798.

It is an arithmetic number, because the mean of its divisors is an integer number (17775976400).

Almost surely, 2^515731052151 is an apocalyptic number.

515731052151 is a deficient number, since it is larger than the sum of its proper divisors (337515815049).

515731052151 is a wasteful number, since it uses less digits than its factorization.

515731052151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8036 (or 8033 counting only the distinct ones).

The product of its (nonzero) digits is 26250, while the sum is 36.

Adding to 515731052151 its reverse (151250137515), we get a palindrome (666981189666).

The spelling of 515731052151 in words is "five hundred fifteen billion, seven hundred thirty-one million, fifty-two thousand, one hundred fifty-one".