51599411967 has 16 divisors (see below), whose sum is σ = 69542725248. Its totient is φ = 34028464800.

The previous prime is 51599411957. The next prime is 51599411999. The reversal of 51599411967 is 76911499515.

It is a happy number.

It is not a de Polignac number, because 51599411967 - 2¹⁵ = 51599379199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51599411957) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 264448 + ... + 416090.

It is an arithmetic number, because the mean of its divisors is an integer number (4346420328).

Almost surely, 2^51599411967 is an apocalyptic number.

51599411967 is a deficient number, since it is larger than the sum of its proper divisors (17943313281).

51599411967 is a wasteful number, since it uses less digits than its factorization.

51599411967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152870.

The product of its digits is 3061800, while the sum is 57.

The spelling of 51599411967 in words is "fifty-one billion, five hundred ninety-nine million, four hundred eleven thousand, nine hundred sixty-seven".