51122211222115 has 32 divisors (see below), whose sum is σ = 67031602736832. Its totient is φ = 37119810048000.

The previous prime is 51122211222101. The next prime is 51122211222133.

51122211222115 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51122211222115 - 2²¹ = 51122209124963 is a prime.

It is a super-2 number, since 2×51122211222115² (a number of 28 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 31 ways as a sum of consecutive naturals, for example, 497048095 + ... + 497150935.

It is an arithmetic number, because the mean of its divisors is an integer number (2094737585526).

Almost surely, 2^{51122211222115} is an apocalyptic number.

51122211222115 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51122211222115 is a deficient number, since it is larger than the sum of its proper divisors (15909391514717).

51122211222115 is a wasteful number, since it uses less digits than its factorization.

51122211222115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117351.

The product of its digits is 1600, while the sum is 28.

It can be divided in two parts, 5112221 and 1222115, that added together give a palindrome (6334336).

The spelling of 51122211222115 in words is "fifty-one trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-two thousand, one hundred fifteen".