12899717511 has 8 divisors (see below), whose sum is σ = 17200283520. Its totient is φ = 8599481592.

The previous prime is 12899717483. The next prime is 12899717531. The reversal of 12899717511 is 11571799821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12899717511 - 2¹⁸ = 12899455367 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12899717531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30960 + ... + 163578.

It is an arithmetic number, because the mean of its divisors is an integer number (2150035440).

Almost surely, 2^12899717511 is an apocalyptic number.

12899717511 is a deficient number, since it is larger than the sum of its proper divisors (4300566009).

12899717511 is a wasteful number, since it uses less digits than its factorization.

12899717511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165045.

The product of its digits is 317520, while the sum is 51.

The spelling of 12899717511 in words is "twelve billion, eight hundred ninety-nine million, seven hundred seventeen thousand, five hundred eleven".