51522315415331 has 16 divisors (see below), whose sum is σ = 52306893383040. Its totient is φ = 50741086556160.

The previous prime is 51522315415321. The next prime is 51522315415339. The reversal of 51522315415331 is 13351451322515.

It is a cyclic number.

It is not a de Polignac number, because 51522315415331 - 2²⁶ = 51522248306467 is a prime.

It is a super-2 number, since 2×51522315415331² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51522315415339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 210640055 + ... + 210884511.

It is an arithmetic number, because the mean of its divisors is an integer number (3269180836440).

Almost surely, 2^{51522315415331} is an apocalyptic number.

51522315415331 is a deficient number, since it is larger than the sum of its proper divisors (784577967709).

51522315415331 is a wasteful number, since it uses less digits than its factorization.

51522315415331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251294.

The product of its digits is 270000, while the sum is 41.

Adding to 51522315415331 its reverse (13351451322515), we get a palindrome (64873766737846).

The spelling of 51522315415331 in words is "fifty-one trillion, five hundred twenty-two billion, three hundred fifteen million, four hundred fifteen thousand, three hundred thirty-one".