11112090 has 64 divisors (see below), whose sum is σ = 29417472. Its totient is φ = 2664000.

The previous prime is 11112047. The next prime is 11112091. The reversal of 11112090 is 9021111.

11112090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (11112091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49719 + ... + 49941.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^11112090 is an apocalyptic number.

11112090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11112090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14708736).

11112090 is an abundant number, since it is smaller than the sum of its proper divisors (18305382).

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

11112090 is a wasteful number, since it uses less digits than its factorization.

11112090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395.

The product of its (nonzero) digits is 18, while the sum is 15.

The square root of 11112090 is about 3333.4801634328. The cubic root of 11112090 is about 223.1508695064.

It can be divided in two parts, 11 and 112090, that added together give a triangular number (112101 = T₄₇₃).

The spelling of 11112090 in words is "eleven million, one hundred twelve thousand, ninety".