51110005107 has 64 divisors (see below), whose sum is σ = 80964956160. Its totient is φ = 28075292544.

The previous prime is 51110005097. The next prime is 51110005123. The reversal of 51110005107 is 70150001115.

It is a happy number.

It is not a de Polignac number, because 51110005107 - 2⁴ = 51110005091 is a prime.

It is a super-2 number, since 2×51110005107² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (51110005127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 22785328 + ... + 22787570.

It is an arithmetic number, because the mean of its divisors is an integer number (1265077440).

Almost surely, 2^51110005107 is an apocalyptic number.

51110005107 is a deficient number, since it is larger than the sum of its proper divisors (29854951053).

51110005107 is a wasteful number, since it uses less digits than its factorization.

51110005107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its (nonzero) digits is 175, while the sum is 21.

The spelling of 51110005107 in words is "fifty-one billion, one hundred ten million, five thousand, one hundred seven".