117844323551 has 8 divisors (see below), whose sum is σ = 120611610624. Its totient is φ = 115087868280.

The previous prime is 117844323491. The next prime is 117844323587. The reversal of 117844323551 is 155323448711.

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

It is a cyclic number.

It is not a de Polignac number, because 117844323551 - 2³⁰ = 116770581727 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 (117844323151) 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, 2685935 + ... + 2729456.

It is an arithmetic number, because the mean of its divisors is an integer number (15076451328).

Almost surely, 2^117844323551 is an apocalyptic number.

117844323551 is a deficient number, since it is larger than the sum of its proper divisors (2767287073).

117844323551 is an equidigital number, since it uses as much as digits as its factorization.

117844323551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5415901.

The product of its digits is 403200, while the sum is 44.

The spelling of 117844323551 in words is "one hundred seventeen billion, eight hundred forty-four million, three hundred twenty-three thousand, five hundred fifty-one".