51164051155 has 16 divisors (see below), whose sum is σ = 70407336384. Its totient is φ = 34964173440.

The previous prime is 51164051119. The next prime is 51164051179. The reversal of 51164051155 is 55115046115.

It is a de Polignac number, because none of the positive numbers 2^k-51164051155 is a prime.

It is a super-3 number, since 3×51164051155³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 51164051155.

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 15 ways as a sum of consecutive naturals, for example, 2484336 + ... + 2504845.

It is an arithmetic number, because the mean of its divisors is an integer number (4400458524).

Almost surely, 2^51164051155 is an apocalyptic number.

51164051155 is a deficient number, since it is larger than the sum of its proper divisors (19243285229).

51164051155 is a wasteful number, since it uses less digits than its factorization.

51164051155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4989486.

The product of its (nonzero) digits is 15000, while the sum is 34.

The spelling of 51164051155 in words is "fifty-one billion, one hundred sixty-four million, fifty-one thousand, one hundred fifty-five".