117115015 has 8 divisors (see below), whose sum is σ = 143806608. Its totient is φ = 91512960.

The previous prime is 117115013. The next prime is 117115039. The reversal of 117115015 is 510511711.

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

It is not a de Polignac number, because 117115015 - 2¹ = 117115013 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 (117115013) 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, 272146 + ... + 272575.

It is an arithmetic number, because the mean of its divisors is an integer number (17975826).

Almost surely, 2^117115015 is an apocalyptic number.

117115015 is a deficient number, since it is larger than the sum of its proper divisors (26691593).

117115015 is an equidigital number, since it uses as much as digits as its factorization.

117115015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544769.

The product of its (nonzero) digits is 175, while the sum is 22.

The square root of 117115015 is about 10821.9690906969. The cubic root of 117115015 is about 489.2575386275.

Adding to 117115015 its reverse (510511711), we get a palindrome (627626726).

The spelling of 117115015 in words is "one hundred seventeen million, one hundred fifteen thousand, fifteen".