51112770771 has 8 divisors (see below), whose sum is σ = 68205727744. Its totient is φ = 34047497160.

The previous prime is 51112770739. The next prime is 51112770823. The reversal of 51112770771 is 17707721115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51112770771 - 2⁵ = 51112770739 is a prime.

It is a super-2 number, since 2×51112770771² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51112772771) by changing a digit.

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, 6916531 + ... + 6923916.

It is an arithmetic number, because the mean of its divisors is an integer number (8525715968).

Almost surely, 2^51112770771 is an apocalyptic number.

51112770771 is a deficient number, since it is larger than the sum of its proper divisors (17092956973).

51112770771 is a wasteful number, since it uses less digits than its factorization.

51112770771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13841681.

The product of its (nonzero) digits is 24010, while the sum is 39.

The spelling of 51112770771 in words is "fifty-one billion, one hundred twelve million, seven hundred seventy thousand, seven hundred seventy-one".