199118115 has 96 divisors (see below), whose sum is σ = 425502720. Its totient is φ = 87998400.

The previous prime is 199118077. The next prime is 199118123. The reversal of 199118115 is 511811991.

It is not a de Polignac number, because 199118115 - 2⁷ = 199117987 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 199118115.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 204580 + ... + 205550.

It is an arithmetic number, because the mean of its divisors is an integer number (4432320).

Almost surely, 2^199118115 is an apocalyptic number.

199118115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

199118115 is an abundant number, since it is smaller than the sum of its proper divisors (226384605).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

199118115 is a wasteful number, since it uses less digits than its factorization.

199118115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030 (or 1017 counting only the distinct ones).

The product of its digits is 3240, while the sum is 36.

The square root of 199118115 is about 14110.9218338137. The cubic root of 199118115 is about 583.9427320384.

The spelling of 199118115 in words is "one hundred ninety-nine million, one hundred eighteen thousand, one hundred fifteen".