51677599577615 has 24 divisors (see below), whose sum is σ = 68202743061264. Its totient is φ = 37561895078400.

The previous prime is 51677599577609. The next prime is 51677599577623.

51677599577615 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51677599577615 - 2¹² = 51677599573519 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51677599577615.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23745026 + ... + 25829855.

It is an arithmetic number, because the mean of its divisors is an integer number (2841780960886).

Almost surely, 2^{51677599577615} is an apocalyptic number.

51677599577615 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51677599577615 is a deficient number, since it is larger than the sum of its proper divisors (16525143483649).

51677599577615 is a wasteful number, since it uses less digits than its factorization.

51677599577615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49576631 (or 49576620 counting only the distinct ones).

The product of its digits is 4375822500, while the sum is 80.

The spelling of 51677599577615 in words is "fifty-one trillion, six hundred seventy-seven billion, five hundred ninety-nine million, five hundred seventy-seven thousand, six hundred fifteen".