51124013521122 has 64 divisors (see below), whose sum is σ = 104702712791040. Its totient is φ = 16638178134144.

The previous prime is 51124013521037. The next prime is 51124013521127. The reversal of 51124013521122 is 22112531042115.

It is a super-2 number, since 2×51124013521122² (a number of 28 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 51124013521122.

It is not an unprimeable number, because it can be changed into a prime (51124013521127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13534279 + ... + 16894517.

It is an arithmetic number, because the mean of its divisors is an integer number (1635979887360).

Almost surely, 2^{51124013521122} is an apocalyptic number.

51124013521122 is an abundant number, since it is smaller than the sum of its proper divisors (53578699269918).

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

51124013521122 is a wasteful number, since it uses less digits than its factorization.

51124013521122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3360687.

The product of its (nonzero) digits is 4800, while the sum is 30.

Adding to 51124013521122 its reverse (22112531042115), we get a palindrome (73236544563237).

The spelling of 51124013521122 in words is "fifty-one trillion, one hundred twenty-four billion, thirteen million, five hundred twenty-one thousand, one hundred twenty-two".