51110005115 has 16 divisors (see below), whose sum is σ = 66061744896. Its totient is φ = 37735977600.

The previous prime is 51110005097. The next prime is 51110005123. The reversal of 51110005115 is 51150001115.

It is not a de Polignac number, because 51110005115 - 2¹⁶ = 51109939579 is a prime.

It is a super-2 number, since 2×51110005115² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 308525 + ... + 444305.

It is an arithmetic number, because the mean of its divisors is an integer number (4128859056).

Almost surely, 2^51110005115 is an apocalyptic number.

51110005115 is a deficient number, since it is larger than the sum of its proper divisors (14951739781).

51110005115 is a wasteful number, since it uses less digits than its factorization.

51110005115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141590.

The product of its (nonzero) digits is 125, while the sum is 20.

It can be divided in two parts, 5111000 and 5115, that added together give a palindrome (5116115).

The spelling of 51110005115 in words is "fifty-one billion, one hundred ten million, five thousand, one hundred fifteen".