51120110615 has 32 divisors (see below), whose sum is σ = 75678382080. Its totient is φ = 32373500544.

The previous prime is 51120110549. The next prime is 51120110633. The reversal of 51120110615 is 51601102115.

It is not a de Polignac number, because 51120110615 - 2¹⁰ = 51120109591 is a prime.

It is a super-2 number, since 2×51120110615² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1071539 + ... + 1118228.

It is an arithmetic number, because the mean of its divisors is an integer number (2364949440).

Almost surely, 2^51120110615 is an apocalyptic number.

51120110615 is a deficient number, since it is larger than the sum of its proper divisors (24558271465).

51120110615 is a wasteful number, since it uses less digits than its factorization.

51120110615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189831.

The product of its (nonzero) digits is 300, while the sum is 23.

The spelling of 51120110615 in words is "fifty-one billion, one hundred twenty million, one hundred ten thousand, six hundred fifteen".