52513401366665 has 32 divisors (see below), whose sum is σ = 63199080209664. Its totient is φ = 41888950824960.

The previous prime is 52513401366659. The next prime is 52513401366677. The reversal of 52513401366665 is 56666310431525.

It is not a de Polignac number, because 52513401366665 - 2⁴ = 52513401366649 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8392741217 + ... + 8392747473.

It is an arithmetic number, because the mean of its divisors is an integer number (1974971256552).

Almost surely, 2^{52513401366665} is an apocalyptic number.

It is an amenable number.

52513401366665 is a deficient number, since it is larger than the sum of its proper divisors (10685678842999).

52513401366665 is a wasteful number, since it uses less digits than its factorization.

52513401366665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10097.

The product of its (nonzero) digits is 11664000, while the sum is 53.

The spelling of 52513401366665 in words is "fifty-two trillion, five hundred thirteen billion, four hundred one million, three hundred sixty-six thousand, six hundred sixty-five".