51120515622 has 32 divisors (see below), whose sum is σ = 116385050880. Its totient is φ = 14817540320.

The previous prime is 51120515617. The next prime is 51120515647. The reversal of 51120515622 is 22651502115.

It is a super-2 number, since 2×51120515622² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51120515622.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16836597 + ... + 16839632.

It is an arithmetic number, because the mean of its divisors is an integer number (3637032840).

Almost surely, 2^51120515622 is an apocalyptic number.

51120515622 is an abundant number, since it is smaller than the sum of its proper divisors (65264535258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51120515622 is a wasteful number, since it uses less digits than its factorization.

51120515622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33676268.

The product of its (nonzero) digits is 6000, while the sum is 30.

The spelling of 51120515622 in words is "fifty-one billion, one hundred twenty million, five hundred fifteen thousand, six hundred twenty-two".