117105658621 has 8 divisors (see below), whose sum is σ = 138152297984. Its totient is φ = 97138334160.

The previous prime is 117105658619. The next prime is 117105658627. The reversal of 117105658621 is 126856501711.

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

It is not a de Polignac number, because 117105658621 - 2¹ = 117105658619 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117105658627) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269828490 + ... + 269828923.

It is an arithmetic number, because the mean of its divisors is an integer number (17269037248).

Almost surely, 2^117105658621 is an apocalyptic number.

It is an amenable number.

117105658621 is a deficient number, since it is larger than the sum of its proper divisors (21046639363).

117105658621 is an equidigital number, since it uses as much as digits as its factorization.

117105658621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539657451.

The product of its (nonzero) digits is 100800, while the sum is 43.

The spelling of 117105658621 in words is "one hundred seventeen billion, one hundred five million, six hundred fifty-eight thousand, six hundred twenty-one".