52513500511 has 4 divisors (see below), whose sum is σ = 52515138312. Its totient is φ = 52511862712.

The previous prime is 52513500509. The next prime is 52513500521. The reversal of 52513500511 is 11500531525.

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 52513500511 - 2¹ = 52513500509 is a prime.

It is a super-2 number, since 2×52513500511² (a number of 22 digits) contains 22 as substring.

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 52513500511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513500521) 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 3 ways as a sum of consecutive naturals, for example, 769825 + ... + 835258.

It is an arithmetic number, because the mean of its divisors is an integer number (13128784578).

Almost surely, 2^52513500511 is an apocalyptic number.

52513500511 is a deficient number, since it is larger than the sum of its proper divisors (1637801).

52513500511 is a wasteful number, since it uses less digits than its factorization.

52513500511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637800.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 52513500511 in words is "fifty-two billion, five hundred thirteen million, five hundred thousand, five hundred eleven".