11045631 has 16 divisors (see below), whose sum is σ = 16416000. Its totient is φ = 6565248.

The previous prime is 11045627. The next prime is 11045651. The reversal of 11045631 is 13654011.

11045631 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11045631 - 2² = 11045627 is a prime.

It is a super-2 number, since 2×11045631² = 244011928376322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11045598 and 11045607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11045621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4731 + ... + 6668.

It is an arithmetic number, because the mean of its divisors is an integer number (1026000).

Almost surely, 2^11045631 is an apocalyptic number.

11045631 is a deficient number, since it is larger than the sum of its proper divisors (5370369).

11045631 is a wasteful number, since it uses less digits than its factorization.

11045631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 11045631 is about 3323.4968030675. The cubic root of 11045631 is about 222.7051073370.

Adding to 11045631 its reverse (13654011), we get a palindrome (24699642).

The spelling of 11045631 in words is "eleven million, forty-five thousand, six hundred thirty-one".