51220133102215 has 64 divisors (see below), whose sum is σ = 77415137759232. Its totient is φ = 31602770496000.

The previous prime is 51220133102179. The next prime is 51220133102233.

51220133102215 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51220133102215 - 2⁷ = 51220133102087 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117331489 + ... + 117767221.

It is an arithmetic number, because the mean of its divisors is an integer number (1209611527488).

Almost surely, 2^{51220133102215} is an apocalyptic number.

51220133102215 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51220133102215 is a deficient number, since it is larger than the sum of its proper divisors (26195004657017).

51220133102215 is a wasteful number, since it uses less digits than its factorization.

51220133102215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438880.

The product of its (nonzero) digits is 3600, while the sum is 28.

It can be divided in two parts, 5122013 and 3102215, that added together give a palindrome (8224228).

The spelling of 51220133102215 in words is "fifty-one trillion, two hundred twenty billion, one hundred thirty-three million, one hundred two thousand, two hundred fifteen".