15885999996053 has 4 divisors (see below), whose sum is σ = 17330181813888. Its totient is φ = 14441818178220.

The previous prime is 15885999996049. The next prime is 15885999996059. The reversal of 15885999996053 is 35069999958851.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15885999996053 - 2² = 15885999996049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15885999996059) 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, 722090908901 + ... + 722090908922.

It is an arithmetic number, because the mean of its divisors is an integer number (4332545453472).

Almost surely, 2^{15885999996053} is an apocalyptic number.

It is an amenable number.

15885999996053 is a deficient number, since it is larger than the sum of its proper divisors (1444181817835).

15885999996053 is a wasteful number, since it uses less digits than its factorization.

15885999996053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1444181817834.

The product of its (nonzero) digits is 8503056000, while the sum is 86.

The spelling of 15885999996053 in words is "fifteen trillion, eight hundred eighty-five billion, nine hundred ninety-nine million, nine hundred ninety-six thousand, fifty-three".