52320521252015 has 8 divisors (see below), whose sum is σ = 64809936002688. Its totient is φ = 40506210001440.

The previous prime is 52320521251997. The next prime is 52320521252063. The reversal of 52320521252015 is 51025212502325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52320521252015 - 2²⁰ = 52320520203439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 168775874852 + ... + 168775875161.

It is an arithmetic number, because the mean of its divisors is an integer number (8101242000336).

Almost surely, 2^{52320521252015} is an apocalyptic number.

52320521252015 is a deficient number, since it is larger than the sum of its proper divisors (12489414750673).

52320521252015 is a wasteful number, since it uses less digits than its factorization.

52320521252015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337551750049.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 52320521252015 in words is "fifty-two trillion, three hundred twenty billion, five hundred twenty-one million, two hundred fifty-two thousand, fifteen".