51515150115160 has 32 divisors (see below), whose sum is σ = 115909990398000. Its totient is φ = 20605899576960.

The previous prime is 51515150115157. The next prime is 51515150115181. The reversal of 51515150115160 is 6151105151515.

It is a happy number.

It is a super-2 number, since 2×51515150115160² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254350 + ... + 10153570.

Almost surely, 2^{51515150115160} is an apocalyptic number.

It is an amenable number.

51515150115160 is an abundant number, since it is smaller than the sum of its proper divisors (64394840282840).

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

51515150115160 is a wasteful number, since it uses less digits than its factorization.

51515150115160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10029331 (or 10029327 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 37.

Adding to 51515150115160 its reverse (6151105151515), we get a palindrome (57666255266675).

The spelling of 51515150115160 in words is "fifty-one trillion, five hundred fifteen billion, one hundred fifty million, one hundred fifteen thousand, one hundred sixty".