11411631 has 48 divisors (see below), whose sum is σ = 21280000. Its totient is φ = 5916240.

The previous prime is 11411597. The next prime is 11411633. The reversal of 11411631 is 13611411.

11411631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11411631 - 2⁹ = 11411119 is a prime.

It is a super-2 number, since 2×11411631² = 260450644160322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11411633) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22620 + ... + 23118.

Almost surely, 2^11411631 is an apocalyptic number.

11411631 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11411631 is a deficient number, since it is larger than the sum of its proper divisors (9868369).

11411631 is a wasteful number, since it uses less digits than its factorization.

11411631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537 (or 520 counting only the distinct ones).

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

The square root of 11411631 is about 3378.1105665742. The cubic root of 11411631 is about 225.1382261761.

It can be divided in two parts, 1141 and 1631, that added together give a palindrome (2772).

The spelling of 11411631 in words is "eleven million, four hundred eleven thousand, six hundred thirty-one".