118660515 has 16 divisors (see below), whose sum is σ = 190003968. Its totient is φ = 63236576.

The previous prime is 118660513. The next prime is 118660541. The reversal of 118660515 is 515066811.

It is a cyclic number.

It is not a de Polignac number, because 118660515 - 2¹ = 118660513 is a prime.

It is a super-3 number, since 3×118660515³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (118660513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25564 + ... + 29846.

It is an arithmetic number, because the mean of its divisors is an integer number (11875248).

Almost surely, 2^118660515 is an apocalyptic number.

118660515 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

118660515 is a deficient number, since it is larger than the sum of its proper divisors (71343453).

118660515 is a wasteful number, since it uses less digits than its factorization.

118660515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6138.

The product of its (nonzero) digits is 7200, while the sum is 33.

The square root of 118660515 is about 10893.1407316715. The cubic root of 118660515 is about 491.4002913439.

The spelling of 118660515 in words is "one hundred eighteen million, six hundred sixty thousand, five hundred fifteen".