11149931 has 4 divisors (see below), whose sum is σ = 12007632. Its totient is φ = 10292232.

The previous prime is 11149927. The next prime is 11149961. The reversal of 11149931 is 13994111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13994111 = 17 ⋅823183.

It is a cyclic number.

It is not a de Polignac number, because 11149931 - 2² = 11149927 is a prime.

It is a super-2 number, since 2×11149931² = 248641922609522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11149894 and 11149903.

It is not an unprimeable number, because it can be changed into a prime (11149961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 428831 + ... + 428856.

It is an arithmetic number, because the mean of its divisors is an integer number (3001908).

Almost surely, 2^11149931 is an apocalyptic number.

11149931 is a deficient number, since it is larger than the sum of its proper divisors (857701).

11149931 is an equidigital number, since it uses as much as digits as its factorization.

11149931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857700.

The product of its digits is 972, while the sum is 29.

The square root of 11149931 is about 3339.1512394619. The cubic root of 11149931 is about 223.4038877602.

The spelling of 11149931 in words is "eleven million, one hundred forty-nine thousand, nine hundred thirty-one".