51185055058115 has 32 divisors (see below), whose sum is σ = 67461938380800. Its totient is φ = 36972947912320.

The previous prime is 51185055058103. The next prime is 51185055058121.

51185055058115 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51185055058115 - 2²⁰ = 51185054009539 is a prime.

It is a super-2 number, since 2×51185055058115² (a number of 28 digits) contains 22 as substring.

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, 48860 + ... + 10117929.

It is an arithmetic number, because the mean of its divisors is an integer number (2108185574400).

Almost surely, 2^{51185055058115} is an apocalyptic number.

51185055058115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51185055058115 is a deficient number, since it is larger than the sum of its proper divisors (16276883322685).

51185055058115 is a wasteful number, since it uses less digits than its factorization.

51185055058115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167427.

The product of its (nonzero) digits is 1000000, while the sum is 50.

The spelling of 51185055058115 in words is "fifty-one trillion, one hundred eighty-five billion, fifty-five million, fifty-eight thousand, one hundred fifteen".