51010605555126 has 64 divisors (see below), whose sum is σ = 117132457052160. Its totient is φ = 14507440865280.

The previous prime is 51010605555067. The next prime is 51010605555163. The reversal of 51010605555126 is 62155550601015.

51010605555126 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 13531731 + ... + 16885761.

It is an arithmetic number, because the mean of its divisors is an integer number (1830194641440).

Almost surely, 2^{51010605555126} is an apocalyptic number.

51010605555126 is an abundant number, since it is smaller than the sum of its proper divisors (66121851497034).

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

51010605555126 is a wasteful number, since it uses less digits than its factorization.

51010605555126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3355709.

The product of its (nonzero) digits is 225000, while the sum is 42.

The spelling of 51010605555126 in words is "fifty-one trillion, ten billion, six hundred five million, five hundred fifty-five thousand, one hundred twenty-six".