11119381 has 16 divisors (see below), whose sum is σ = 13886208. Its totient is φ = 8668800.

The previous prime is 11119363. The next prime is 11119403. The reversal of 11119381 is 18391111.

11119381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11119381 - 2⁵ = 11119349 is a prime.

It is a super-2 number, since 2×11119381² = 247281267646322, which contains 22 as substring.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11119321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5601 + ... + 7321.

It is an arithmetic number, because the mean of its divisors is an integer number (867888).

Almost surely, 2^11119381 is an apocalyptic number.

It is an amenable number.

11119381 is a deficient number, since it is larger than the sum of its proper divisors (2766827).

11119381 is a wasteful number, since it uses less digits than its factorization.

11119381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1812.

The product of its digits is 216, while the sum is 25.

The square root of 11119381 is about 3334.5735859327. The cubic root of 11119381 is about 223.1996643259.

The spelling of 11119381 in words is "eleven million, one hundred nineteen thousand, three hundred eighty-one".