11141631 has 20 divisors (see below), whose sum is σ = 16900312. Its totient is φ = 7313328.

The previous prime is 11141621. The next prime is 11141693. The reversal of 11141631 is 13614111.

It is not a de Polignac number, because 11141631 - 2⁷ = 11141503 is a prime.

It is a super-2 number, since 2×11141631² = 248271882680322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11141621) 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 19 ways as a sum of consecutive naturals, for example, 4401 + ... + 6453.

Almost surely, 2^11141631 is an apocalyptic number.

11141631 is a deficient number, since it is larger than the sum of its proper divisors (5758681).

11141631 is an equidigital number, since it uses as much as digits as its factorization.

11141631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2132 (or 2123 counting only the distinct ones).

The product of its digits is 72, while the sum is 18.

The square root of 11141631 is about 3337.9081772871. The cubic root of 11141631 is about 223.3484401058.

Adding to 11141631 its reverse (13614111), we get a palindrome (24755742).

The spelling of 11141631 in words is "eleven million, one hundred forty-one thousand, six hundred thirty-one".