11669514999 has 16 divisors (see below), whose sum is σ = 15615654912. Its totient is φ = 7751566368.

The previous prime is 11669514971. The next prime is 11669515031. The reversal of 11669514999 is 99941596611.

It is a happy number.

It is not a de Polignac number, because 11669514999 - 2²⁰ = 11668466423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11669514929) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1364274 + ... + 1372800.

It is an arithmetic number, because the mean of its divisors is an integer number (975978432).

Almost surely, 2^11669514999 is an apocalyptic number.

11669514999 is a deficient number, since it is larger than the sum of its proper divisors (3946139913).

11669514999 is a wasteful number, since it uses less digits than its factorization.

11669514999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10126.

The product of its digits is 4723920, while the sum is 60.

The spelling of 11669514999 in words is "eleven billion, six hundred sixty-nine million, five hundred fourteen thousand, nine hundred ninety-nine".