11292131 has 4 divisors (see below), whose sum is σ = 11956392. Its totient is φ = 10627872.

The previous prime is 11292109. The next prime is 11292133. The reversal of 11292131 is 13129211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11292131 is a prime.

It is a super-2 number, since 2×11292131² = 255024445042322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11292133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332105 + ... + 332138.

It is an arithmetic number, because the mean of its divisors is an integer number (2989098).

Almost surely, 2^11292131 is an apocalyptic number.

11292131 is a deficient number, since it is larger than the sum of its proper divisors (664261).

11292131 is an equidigital number, since it uses as much as digits as its factorization.

11292131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 664260.

The product of its digits is 108, while the sum is 20.

The square root of 11292131 is about 3360.3766157977. The cubic root of 11292131 is about 224.3496015664.

The spelling of 11292131 in words is "eleven million, two hundred ninety-two thousand, one hundred thirty-one".