51799299715 has 4 divisors (see below), whose sum is σ = 62159159664. Its totient is φ = 41439439768.

The previous prime is 51799299709. The next prime is 51799299731.

It is a happy number.

51799299715 is nontrivially palindromic in base 10.

51799299715 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 51799299715 - 2¹⁷ = 51799168643 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5179929967 + ... + 5179929976.

It is an arithmetic number, because the mean of its divisors is an integer number (15539789916).

Almost surely, 2^51799299715 is an apocalyptic number.

51799299715 is a deficient number, since it is larger than the sum of its proper divisors (10359859949).

51799299715 is a wasteful number, since it uses less digits than its factorization.

51799299715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10359859948.

The product of its digits is 16074450, while the sum is 64.

The spelling of 51799299715 in words is "fifty-one billion, seven hundred ninety-nine million, two hundred ninety-nine thousand, seven hundred fifteen".