11673665015 has 16 divisors (see below), whose sum is σ = 14132897280. Its totient is φ = 9256289280.

The previous prime is 11673664991. The next prime is 11673665021. The reversal of 11673665015 is 51056637611.

It is a happy number.

It is not a de Polignac number, because 11673665015 - 2²⁸ = 11405229559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242471 + ... + 286599.

It is an arithmetic number, because the mean of its divisors is an integer number (883306080).

Almost surely, 2^11673665015 is an apocalyptic number.

11673665015 is a deficient number, since it is larger than the sum of its proper divisors (2459232265).

11673665015 is a wasteful number, since it uses less digits than its factorization.

11673665015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44602.

The product of its (nonzero) digits is 113400, while the sum is 41.

The spelling of 11673665015 in words is "eleven billion, six hundred seventy-three million, six hundred sixty-five thousand, fifteen".