11353631 has 4 divisors (see below), whose sum is σ = 11388264. Its totient is φ = 11319000.

The previous prime is 11353627. The next prime is 11353687. The reversal of 11353631 is 13635311.

It is a happy number.

11353631 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, and also an emirpimes, since its reverse is a distinct semiprime: 13635311 = 47 ⋅290113.

It is a cyclic number.

It is not a de Polignac number, because 11353631 - 2² = 11353627 is a prime.

It is a super-2 number, since 2×11353631² = 257809873768322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11353597 and 11353606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11353691) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16820 + ... + 17481.

It is an arithmetic number, because the mean of its divisors is an integer number (2847066).

Almost surely, 2^11353631 is an apocalyptic number.

11353631 is a deficient number, since it is larger than the sum of its proper divisors (34633).

11353631 is an equidigital number, since it uses as much as digits as its factorization.

11353631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34632.

The product of its digits is 810, while the sum is 23.

The square root of 11353631 is about 3369.5149502562. The cubic root of 11353631 is about 224.7561539318.

Adding to 11353631 its reverse (13635311), we get a palindrome (24988942).

The spelling of 11353631 in words is "eleven million, three hundred fifty-three thousand, six hundred thirty-one".