11045731 has 4 divisors (see below), whose sum is σ = 11073952. Its totient is φ = 11017512.

The previous prime is 11045729. The next prime is 11045743. The reversal of 11045731 is 13754011.

11045731 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11045731 - 2¹ = 11045729 is a prime.

It is a super-2 number, since 2×11045731² = 244016346648722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11045761) 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, 13515 + ... + 14308.

It is an arithmetic number, because the mean of its divisors is an integer number (2768488).

Almost surely, 2^11045731 is an apocalyptic number.

11045731 is a deficient number, since it is larger than the sum of its proper divisors (28221).

11045731 is an equidigital number, since it uses as much as digits as its factorization.

11045731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28220.

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 11045731 is about 3323.5118474289. The cubic root of 11045731 is about 222.7057794109.

Adding to 11045731 its reverse (13754011), we get a palindrome (24799742).

The spelling of 11045731 in words is "eleven million, forty-five thousand, seven hundred thirty-one".