52499986515 has 64 divisors (see below), whose sum is σ = 98306265600. Its totient is φ = 26509928832.

The previous prime is 52499986457. The next prime is 52499986529. The reversal of 52499986515 is 51568999425.

52499986515 is a `hidden beast` number, since 5 + 2 + 499 + 98 + 6 + 51 + 5 = 666.

52499986515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 52499986515 - 2¹² = 52499982419 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4886089 + ... + 4896821.

It is an arithmetic number, because the mean of its divisors is an integer number (1536035400).

Almost surely, 2^52499986515 is an apocalyptic number.

52499986515 is a deficient number, since it is larger than the sum of its proper divisors (45806279085).

52499986515 is a wasteful number, since it uses less digits than its factorization.

52499986515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12673 (or 12667 counting only the distinct ones).

The product of its digits is 34992000, while the sum is 63.

The spelling of 52499986515 in words is "fifty-two billion, four hundred ninety-nine million, nine hundred eighty-six thousand, five hundred fifteen".