51179969355 has 16 divisors (see below), whose sum is σ = 84101139744. Its totient is φ = 26558254080.

The previous prime is 51179969353. The next prime is 51179969387. The reversal of 51179969355 is 55396997115.

It is not a de Polignac number, because 51179969355 - 2¹ = 51179969353 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51179969353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46107526 + ... + 46108635.

It is an arithmetic number, because the mean of its divisors is an integer number (5256321234).

Almost surely, 2^51179969355 is an apocalyptic number.

51179969355 is a deficient number, since it is larger than the sum of its proper divisors (32921170389).

51179969355 is a wasteful number, since it uses less digits than its factorization.

51179969355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92216206.

The product of its digits is 11481750, while the sum is 60.

The spelling of 51179969355 in words is "fifty-one billion, one hundred seventy-nine million, nine hundred sixty-nine thousand, three hundred fifty-five".