52513325511 has 4 divisors (see below), whose sum is σ = 70017767352. Its totient is φ = 35008883672.

The previous prime is 52513325489. The next prime is 52513325519. The reversal of 52513325511 is 11552331525.

It is a happy number.

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 52513325511 - 2⁷ = 52513325383 is a prime.

It is a super-2 number, since 2×52513325511² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52513325519) 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, 8752220916 + ... + 8752220921.

It is an arithmetic number, because the mean of its divisors is an integer number (17504441838).

Almost surely, 2^52513325511 is an apocalyptic number.

52513325511 is a deficient number, since it is larger than the sum of its proper divisors (17504441841).

52513325511 is a wasteful number, since it uses less digits than its factorization.

52513325511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17504441840.

The product of its digits is 22500, while the sum is 33.

The spelling of 52513325511 in words is "fifty-two billion, five hundred thirteen million, three hundred twenty-five thousand, five hundred eleven".