11117790 has 32 divisors (see below), whose sum is σ = 29648160. Its totient is φ = 2964672.

The previous prime is 11117789. The next prime is 11117807. The reversal of 11117790 is 9771111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20319 + ... + 20858.

It is an arithmetic number, because the mean of its divisors is an integer number (926505).

Almost surely, 2^11117790 is an apocalyptic number.

11117790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11117790 is an abundant number, since it is smaller than the sum of its proper divisors (18530370).

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

11117790 is a wasteful number, since it uses less digits than its factorization.

11117790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41193 (or 41187 counting only the distinct ones).

The product of its (nonzero) digits is 441, while the sum is 27.

The square root of 11117790 is about 3334.3350161614. The cubic root of 11117790 is about 223.1890184214.

The spelling of 11117790 in words is "eleven million, one hundred seventeen thousand, seven hundred ninety".