52515236602511 has 4 divisors (see below), whose sum is σ = 52517204892624. Its totient is φ = 52513268312400.

The previous prime is 52515236602487. The next prime is 52515236602547. The reversal of 52515236602511 is 11520663251525.

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 52515236602511 - 2⁴² = 48117190091407 is a prime.

It is a super-2 number, since 2×52515236602511² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52515236602811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 984105035 + ... + 984158396.

It is an arithmetic number, because the mean of its divisors is an integer number (13129301223156).

Almost surely, 2^{52515236602511} is an apocalyptic number.

52515236602511 is a deficient number, since it is larger than the sum of its proper divisors (1968290113).

52515236602511 is a wasteful number, since it uses less digits than its factorization.

52515236602511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1968290112.

The product of its (nonzero) digits is 540000, while the sum is 44.

The spelling of 52515236602511 in words is "fifty-two trillion, five hundred fifteen billion, two hundred thirty-six million, six hundred two thousand, five hundred eleven".