117920501518 has 8 divisors (see below), whose sum is σ = 178632047160. Its totient is φ = 58376485800.

The previous prime is 117920501507. The next prime is 117920501533. The reversal of 117920501518 is 815105029711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 291882228 + ... + 291882631.

It is an arithmetic number, because the mean of its divisors is an integer number (22329005895).

Almost surely, 2^117920501518 is an apocalyptic number.

117920501518 is a deficient number, since it is larger than the sum of its proper divisors (60711545642).

117920501518 is a wasteful number, since it uses less digits than its factorization.

117920501518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583764962.

The product of its (nonzero) digits is 25200, while the sum is 40.

The spelling of 117920501518 in words is "one hundred seventeen billion, nine hundred twenty million, five hundred one thousand, five hundred eighteen".