117852433921 has 12 divisors (see below), whose sum is σ = 125960827792. Its totient is φ = 110239403328.

The previous prime is 117852433913. The next prime is 117852433991. The reversal of 117852433921 is 129334258711.

It is not a de Polignac number, because 117852433921 - 2³ = 117852433913 is a prime.

It is a super-2 number, since 2×117852433921² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117852433991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1203795 + ... + 1298008.

Almost surely, 2^117852433921 is an apocalyptic number.

It is an amenable number.

117852433921 is a deficient number, since it is larger than the sum of its proper divisors (8108393871).

117852433921 is a wasteful number, since it uses less digits than its factorization.

117852433921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2502000 (or 2501983 counting only the distinct ones).

The product of its digits is 362880, while the sum is 46.

The spelling of 117852433921 in words is "one hundred seventeen billion, eight hundred fifty-two million, four hundred thirty-three thousand, nine hundred twenty-one".