117118921549 has 8 divisors (see below), whose sum is σ = 134020278848. Its totient is φ = 100260084960.

The previous prime is 117118921531. The next prime is 117118921567. The reversal of 117118921549 is 945129811711.

It is an interprime number because it is at equal distance from previous prime (117118921531) and next prime (117118921567).

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

It is not a de Polignac number, because 117118921549 - 2¹¹ = 117118919501 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 (117118921519) 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, 10624272 + ... + 10635289.

It is an arithmetic number, because the mean of its divisors is an integer number (16752534856).

Almost surely, 2^117118921549 is an apocalyptic number.

It is an amenable number.

117118921549 is a deficient number, since it is larger than the sum of its proper divisors (16901357299).

117118921549 is an equidigital number, since it uses as much as digits as its factorization.

117118921549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21260355.

The product of its digits is 181440, while the sum is 49.

The spelling of 117118921549 in words is "one hundred seventeen billion, one hundred eighteen million, nine hundred twenty-one thousand, five hundred forty-nine".