52415516523 has 16 divisors (see below), whose sum is σ = 72936460800. Its totient is φ = 33419563584.

The previous prime is 52415516521. The next prime is 52415516539. The reversal of 52415516523 is 32561551425.

It is not a de Polignac number, because 52415516523 - 2¹ = 52415516521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52415516521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 461778 + ... + 563976.

It is an arithmetic number, because the mean of its divisors is an integer number (4558528800).

Almost surely, 2^52415516523 is an apocalyptic number.

52415516523 is a deficient number, since it is larger than the sum of its proper divisors (20520944277).

52415516523 is a wasteful number, since it uses less digits than its factorization.

52415516523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109658.

The product of its digits is 180000, while the sum is 39.

The spelling of 52415516523 in words is "fifty-two billion, four hundred fifteen million, five hundred sixteen thousand, five hundred twenty-three".