11883658921 has 8 divisors (see below), whose sum is σ = 11963635200. Its totient is φ = 11803885632.

The previous prime is 11883658909. The next prime is 11883658933. The reversal of 11883658921 is 12985638811.

It is an interprime number because it is at equal distance from previous prime (11883658909) and next prime (11883658933).

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

It is a cyclic number.

It is not a de Polignac number, because 11883658921 - 2²⁵ = 11850104489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11883650921) 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, 67656 + ... + 168358.

It is an arithmetic number, because the mean of its divisors is an integer number (1495454400).

Almost surely, 2^11883658921 is an apocalyptic number.

It is an amenable number.

11883658921 is a deficient number, since it is larger than the sum of its proper divisors (79976279).

11883658921 is a wasteful number, since it uses less digits than its factorization.

11883658921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101495.

The product of its digits is 829440, while the sum is 52.

The spelling of 11883658921 in words is "eleven billion, eight hundred eighty-three million, six hundred fifty-eight thousand, nine hundred twenty-one".