117547115840 has 112 divisors (see below), whose sum is σ = 348977614464. Its totient is φ = 36638054400.

The previous prime is 117547115831. The next prime is 117547115843. The reversal of 117547115840 is 48511745711.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 117547115791 and 117547115800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117547115843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2360651 + ... + 2409930.

Almost surely, 2^117547115840 is an apocalyptic number.

117547115840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117547115840 is an abundant number, since it is smaller than the sum of its proper divisors (231430498624).

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

117547115840 is a wasteful number, since it uses less digits than its factorization.

117547115840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4770616 (or 4770606 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 44.

The spelling of 117547115840 in words is "one hundred seventeen billion, five hundred forty-seven million, one hundred fifteen thousand, eight hundred forty".