51401089106944 has 88 divisors (see below), whose sum is σ = 107104128350720. Its totient is φ = 24632711110656.

The previous prime is 51401089106881. The next prime is 51401089107019. The reversal of 51401089106944 is 44960198010415.

It is a happy number.

51401089106944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×51401089106944² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51401089106891 and 51401089106900.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7585824 + ... + 12662815.

Almost surely, 2^{51401089106944} is an apocalyptic number.

It is an amenable number.

51401089106944 is an abundant number, since it is smaller than the sum of its proper divisors (55703039243776).

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

51401089106944 is a wasteful number, since it uses less digits than its factorization.

51401089106944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248763 (or 20248745 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 51401089106944 in words is "fifty-one trillion, four hundred one billion, eighty-nine million, one hundred six thousand, nine hundred forty-four".