117431642512 has 40 divisors (see below), whose sum is σ = 235457019072. Its totient is φ = 56692771200.

The previous prime is 117431642467. The next prime is 117431642513. The reversal of 117431642512 is 215246134711.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (117431642513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 679564 + ... + 834667.

Almost surely, 2^117431642512 is an apocalyptic number.

It is an amenable number.

117431642512 is an abundant number, since it is smaller than the sum of its proper divisors (118025376560).

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

117431642512 is a wasteful number, since it uses less digits than its factorization.

117431642512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1514407 (or 1514401 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The spelling of 117431642512 in words is "one hundred seventeen billion, four hundred thirty-one million, six hundred forty-two thousand, five hundred twelve".