51114308871 has 32 divisors (see below), whose sum is σ = 69300133888. Its totient is φ = 33508339200.

The previous prime is 51114308857. The next prime is 51114308873. The reversal of 51114308871 is 17880341115.

It is not a de Polignac number, because 51114308871 - 2²⁷ = 50980091143 is a prime.

It is a super-2 number, since 2×51114308871² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51114308873) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28380171 + ... + 28381971.

It is an arithmetic number, because the mean of its divisors is an integer number (2165629184).

Almost surely, 2^51114308871 is an apocalyptic number.

51114308871 is a deficient number, since it is larger than the sum of its proper divisors (18185825017).

51114308871 is a wasteful number, since it uses less digits than its factorization.

51114308871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2551.

The product of its (nonzero) digits is 26880, while the sum is 39.

Adding to 51114308871 its reverse (17880341115), we get a palindrome (68994649986).

The spelling of 51114308871 in words is "fifty-one billion, one hundred fourteen million, three hundred eight thousand, eight hundred seventy-one".