11198180 has 24 divisors (see below), whose sum is σ = 26875968. Its totient is φ = 3839328.

The previous prime is 11198153. The next prime is 11198183. The reversal of 11198180 is 8189111.

It is not an unprimeable number, because it can be changed into a prime (11198183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39854 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (1119832).

Almost surely, 2^11198180 is an apocalyptic number.

11198180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11198180 is an abundant number, since it is smaller than the sum of its proper divisors (15677788).

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

11198180 is a wasteful number, since it uses less digits than its factorization.

11198180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80003 (or 80001 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 29.

The square root of 11198180 is about 3346.3681805803. The cubic root of 11198180 is about 223.7256686296.

The spelling of 11198180 in words is "eleven million, one hundred ninety-eight thousand, one hundred eighty".