11040631 has 12 divisors (see below), whose sum is σ = 12943560. Its totient is φ = 9389520.

The previous prime is 11040587. The next prime is 11040647. The reversal of 11040631 is 13604011.

It is not a de Polignac number, because 11040631 - 2⁹ = 11040119 is a prime.

It is a super-2 number, since 2×11040631² = 243791065756322, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11040661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6001 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (1078630).

Almost surely, 2^11040631 is an apocalyptic number.

11040631 is a deficient number, since it is larger than the sum of its proper divisors (1902929).

11040631 is a wasteful number, since it uses less digits than its factorization.

11040631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1774 (or 1767 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 11040631 is about 3322.7444981521. The cubic root of 11040631 is about 222.6714984649.

Adding to 11040631 its reverse (13604011), we get a palindrome (24644642).

The spelling of 11040631 in words is "eleven million, forty thousand, six hundred thirty-one".