117372647213645 has 4 divisors (see below), whose sum is σ = 140847176656380. Its totient is φ = 93898117770912.

The previous prime is 117372647213639. The next prime is 117372647213699. The reversal of 117372647213645 is 546312746273711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77713851278116 + 39658795935529 = 8815546^2 + 6297523^2 .

It is a cyclic number.

It is not a de Polignac number, because 117372647213645 - 2⁶ = 117372647213581 is a prime.

It is a super-3 number, since 3×117372647213645³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11737264721360 + ... + 11737264721369.

It is an arithmetic number, because the mean of its divisors is an integer number (35211794164095).

Almost surely, 2^{117372647213645} is an apocalyptic number.

It is an amenable number.

117372647213645 is a deficient number, since it is larger than the sum of its proper divisors (23474529442735).

117372647213645 is an equidigital number, since it uses as much as digits as its factorization.

117372647213645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23474529442734.

The product of its digits is 35562240, while the sum is 59.

The spelling of 117372647213645 in words is "one hundred seventeen trillion, three hundred seventy-two billion, six hundred forty-seven million, two hundred thirteen thousand, six hundred forty-five".