52001720267015 has 32 divisors (see below), whose sum is σ = 63359989862400. Its totient is φ = 40966194850560.

The previous prime is 52001720266999. The next prime is 52001720267017. The reversal of 52001720267015 is 51076202710025.

It is not a de Polignac number, because 52001720267015 - 2⁴ = 52001720266999 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52001720267015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001720267017) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208819346 + ... + 209068224.

It is an arithmetic number, because the mean of its divisors is an integer number (1979999683200).

Almost surely, 2^{52001720267015} is an apocalyptic number.

52001720267015 is a deficient number, since it is larger than the sum of its proper divisors (11358269595385).

52001720267015 is a wasteful number, since it uses less digits than its factorization.

52001720267015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250607.

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 52001720267015 in words is "fifty-two trillion, one billion, seven hundred twenty million, two hundred sixty-seven thousand, fifteen".