52505070511 has 4 divisors (see below), whose sum is σ = 52827187672. Its totient is φ = 52182953352.

The previous prime is 52505070479. The next prime is 52505070547. The reversal of 52505070511 is 11507050525.

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 52505070511 - 2⁵ = 52505070479 is a prime.

It is a super-2 number, since 2×52505070511² (a number of 22 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 (52505070551) 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, 161058336 + ... + 161058661.

It is an arithmetic number, because the mean of its divisors is an integer number (13206796918).

Almost surely, 2^52505070511 is an apocalyptic number.

52505070511 is a deficient number, since it is larger than the sum of its proper divisors (322117161).

52505070511 is a wasteful number, since it uses less digits than its factorization.

52505070511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322117160.

The product of its (nonzero) digits is 8750, while the sum is 31.

The spelling of 52505070511 in words is "fifty-two billion, five hundred five million, seventy thousand, five hundred eleven".