15214964975 has 24 divisors (see below), whose sum is σ = 21591618048. Its totient is φ = 10418680800.

The previous prime is 15214964971. The next prime is 15214964993. The reversal of 15214964975 is 57946941251.

It is not a de Polignac number, because 15214964975 - 2² = 15214964971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15214964971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67430 + ... + 187020.

It is an arithmetic number, because the mean of its divisors is an integer number (899650752).

Almost surely, 2^15214964975 is an apocalyptic number.

15214964975 is a deficient number, since it is larger than the sum of its proper divisors (6376653073).

15214964975 is a wasteful number, since it uses less digits than its factorization.

15214964975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120335 (or 120330 counting only the distinct ones).

The product of its digits is 2721600, while the sum is 53.

The spelling of 15214964975 in words is "fifteen billion, two hundred fourteen million, nine hundred sixty-four thousand, nine hundred seventy-five".