117237146808021 has 32 divisors (see below), whose sum is σ = 166036529479680. Its totient is φ = 73327327881984.

The previous prime is 117237146808007. The next prime is 117237146808037. The reversal of 117237146808021 is 120808641732711.

It is not a de Polignac number, because 117237146808021 - 2²⁷ = 117237012590293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117237146808421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33144220 + ... + 36510458.

It is an arithmetic number, because the mean of its divisors is an integer number (5188641546240).

Almost surely, 2^{117237146808021} is an apocalyptic number.

It is an amenable number.

117237146808021 is a deficient number, since it is larger than the sum of its proper divisors (48799382671659).

117237146808021 is a wasteful number, since it uses less digits than its factorization.

117237146808021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3368425.

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 117237146808021 in words is "one hundred seventeen trillion, two hundred thirty-seven billion, one hundred forty-six million, eight hundred eight thousand, twenty-one".