117385491144 has 16 divisors (see below), whose sum is σ = 293463727920. Its totient is φ = 39128497040.

The previous prime is 117385491133. The next prime is 117385491163. The reversal of 117385491144 is 441194583711.

It is a happy number.

It is a super-2 number, since 2×117385491144² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 117385491093 and 117385491102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2445531042 + ... + 2445531089.

It is an arithmetic number, because the mean of its divisors is an integer number (18341482995).

Almost surely, 2^117385491144 is an apocalyptic number.

It is an amenable number.

117385491144 is an abundant number, since it is smaller than the sum of its proper divisors (176078236776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117385491144 is a wasteful number, since it uses less digits than its factorization.

117385491144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4891062140 (or 4891062136 counting only the distinct ones).

The product of its digits is 483840, while the sum is 48.

The spelling of 117385491144 in words is "one hundred seventeen billion, three hundred eighty-five million, four hundred ninety-one thousand, one hundred forty-four".