11119091 has 2 divisors, whose sum is σ = 11119092. Its totient is φ = 11119090.

The previous prime is 11119079. The next prime is 11119099. The reversal of 11119091 is 19091111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11119091 - 2²² = 6924787 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11119099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559545 + 5559546.

It is an arithmetic number, because the mean of its divisors is an integer number (5559546).

Almost surely, 2^11119091 is an apocalyptic number.

11119091 is a deficient number, since it is larger than the sum of its proper divisors (1).

11119091 is an equidigital number, since it uses as much as digits as its factorization.

11119091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

The square root of 11119091 is about 3334.5301018284. The cubic root of 11119091 is about 223.1977239162.

It can be divided in two parts, 1111 and 9091, that multiplied together give a palindrome (10100101).

The spelling of 11119091 in words is "eleven million, one hundred nineteen thousand, ninety-one".