117531513512 has 32 divisors (see below), whose sum is σ = 252199758720. Its totient is φ = 50301345600.

The previous prime is 117531513481. The next prime is 117531513529. The reversal of 117531513512 is 215315135711.

It is an unprimeable number.

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, 1402739 + ... + 1484162.

It is an arithmetic number, because the mean of its divisors is an integer number (7881242460).

Almost surely, 2^117531513512 is an apocalyptic number.

It is an amenable number.

117531513512 is an abundant number, since it is smaller than the sum of its proper divisors (134668245208).

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

117531513512 is a wasteful number, since it uses less digits than its factorization.

117531513512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887641 (or 2887637 counting only the distinct ones).

The product of its digits is 15750, while the sum is 35.

The spelling of 117531513512 in words is "one hundred seventeen billion, five hundred thirty-one million, five hundred thirteen thousand, five hundred twelve".