1115198490 has 64 divisors (see below), whose sum is σ = 3062790144. Its totient is φ = 254572608.

The previous prime is 1115198489. The next prime is 1115198503. The reversal of 1115198490 is 948915111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 183277 + ... + 189263.

It is an arithmetic number, because the mean of its divisors is an integer number (47856096).

Almost surely, 2^1115198490 is an apocalyptic number.

1115198490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1115198490 is an abundant number, since it is smaller than the sum of its proper divisors (1947591654).

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

1115198490 is a wasteful number, since it uses less digits than its factorization.

1115198490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6891.

The product of its (nonzero) digits is 12960, while the sum is 39.

The square root of 1115198490 is about 33394.5877351406. The cubic root of 1115198490 is about 1037.0126581361.

The spelling of 1115198490 in words is "one billion, one hundred fifteen million, one hundred ninety-eight thousand, four hundred ninety".