51134016514251 has 16 divisors (see below), whose sum is σ = 74384091832320. Its totient is φ = 30987254481120.

The previous prime is 51134016514187. The next prime is 51134016514261. The reversal of 51134016514251 is 15241561043115.

It is not a de Polignac number, because 51134016514251 - 2⁶ = 51134016514187 is a prime.

It is a super-2 number, since 2×51134016514251² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51134016514261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 76124491 + ... + 76793268.

It is an arithmetic number, because the mean of its divisors is an integer number (4649005739520).

Almost surely, 2^{51134016514251} is an apocalyptic number.

51134016514251 is a deficient number, since it is larger than the sum of its proper divisors (23250075318069).

51134016514251 is a wasteful number, since it uses less digits than its factorization.

51134016514251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152927906.

The product of its (nonzero) digits is 72000, while the sum is 39.

Adding to 51134016514251 its reverse (15241561043115), we get a palindrome (66375577557366).

The spelling of 51134016514251 in words is "fifty-one trillion, one hundred thirty-four billion, sixteen million, five hundred fourteen thousand, two hundred fifty-one".