11189131 has 2 divisors, whose sum is σ = 11189132. Its totient is φ = 11189130.

The previous prime is 11189117. The next prime is 11189183. The reversal of 11189131 is 13198111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11189131 - 2¹⁷ = 11058059 is a prime.

It is a super-2 number, since 2×11189131² = 250393305070322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11189096 and 11189105.

It is not a weakly prime, because it can be changed into another prime (11189231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5594565 + 5594566.

It is an arithmetic number, because the mean of its divisors is an integer number (5594566).

Almost surely, 2^11189131 is an apocalyptic number.

11189131 is a deficient number, since it is larger than the sum of its proper divisors (1).

11189131 is an equidigital number, since it uses as much as digits as its factorization.

11189131 is an evil number, because the sum of its binary digits is even.

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

The square root of 11189131 is about 3345.0158445066. The cubic root of 11189131 is about 223.6653898123.

The spelling of 11189131 in words is "eleven million, one hundred eighty-nine thousand, one hundred thirty-one".