11873934599 has 4 divisors (see below), whose sum is σ = 12016994136. Its totient is φ = 11730875064.

The previous prime is 11873934581. The next prime is 11873934607. The reversal of 11873934599 is 99543937811.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11873934599 - 2²⁰ = 11872886023 is a prime.

It is a super-2 number, since 2×11873934599² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11873931599) 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, 71529644 + ... + 71529809.

It is an arithmetic number, because the mean of its divisors is an integer number (3004248534).

Almost surely, 2^11873934599 is an apocalyptic number.

11873934599 is a deficient number, since it is larger than the sum of its proper divisors (143059537).

11873934599 is an equidigital number, since it uses as much as digits as its factorization.

11873934599 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143059536.

The product of its digits is 7348320, while the sum is 59.

The spelling of 11873934599 in words is "eleven billion, eight hundred seventy-three million, nine hundred thirty-four thousand, five hundred ninety-nine".