117115071021650 has 96 divisors (see below), whose sum is σ = 234815024001600. Its totient is φ = 43201120216320.

The previous prime is 117115071021623. The next prime is 117115071021661. The reversal of 117115071021650 is 56120170511711.

It is a super-2 number, since 2×117115071021650² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3135004772 + ... + 3135042128.

It is an arithmetic number, because the mean of its divisors is an integer number (2445989833350).

Almost surely, 2^{117115071021650} is an apocalyptic number.

117115071021650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117115071021650 is an abundant number, since it is smaller than the sum of its proper divisors (117699952979950).

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

117115071021650 is a wasteful number, since it uses less digits than its factorization.

117115071021650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41868 (or 41863 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 38.

The spelling of 117115071021650 in words is "one hundred seventeen trillion, one hundred fifteen billion, seventy-one million, twenty-one thousand, six hundred fifty".