117116615 has 24 divisors (see below), whose sum is σ = 178351632. Its totient is φ = 73006080.

The previous prime is 117116611. The next prime is 117116633. The reversal of 117116615 is 516611711.

It is not a de Polignac number, because 117116615 - 2² = 117116611 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 (117116611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19034 + ... + 24423.

It is an arithmetic number, because the mean of its divisors is an integer number (7431318).

Almost surely, 2^117116615 is an apocalyptic number.

117116615 is a deficient number, since it is larger than the sum of its proper divisors (61235017).

117116615 is a wasteful number, since it uses less digits than its factorization.

117116615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43487 (or 43480 counting only the distinct ones).

The product of its digits is 1260, while the sum is 29.

The square root of 117116615 is about 10822.0430141448. The cubic root of 117116615 is about 489.2597666609.

The spelling of 117116615 in words is "one hundred seventeen million, one hundred sixteen thousand, six hundred fifteen".