11112990 has 32 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 2540064.

The previous prime is 11112989. The next prime is 11113007. The reversal of 11112990 is 9921111.

It is a self number, because there is not a number n which added to its sum of digits gives 11112990.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26250 + ... + 26669.

It is an arithmetic number, because the mean of its divisors is an integer number (952560).

Almost surely, 2^11112990 is an apocalyptic number.

11112990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112990 is an abundant number, since it is smaller than the sum of its proper divisors (19368930).

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

11112990 is a wasteful number, since it uses less digits than its factorization.

11112990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52936.

The product of its (nonzero) digits is 162, while the sum is 24.

The square root of 11112990 is about 3333.6151547532. The cubic root of 11112990 is about 223.1568938865.

The spelling of 11112990 in words is "eleven million, one hundred twelve thousand, nine hundred ninety".