11631043 has 8 divisors (see below), whose sum is σ = 12578112. Its totient is φ = 10713216.

The previous prime is 11631029. The next prime is 11631071. The reversal of 11631043 is 34013611.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11631043 is a prime.

It is a super-2 number, since 2×11631043² = 270562322535698, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11631043.

It is not an unprimeable number, because it can be changed into a prime (11631013) 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 7 ways as a sum of consecutive naturals, for example, 6480 + ... + 8077.

It is an arithmetic number, because the mean of its divisors is an integer number (1572264).

Almost surely, 2^11631043 is an apocalyptic number.

11631043 is a deficient number, since it is larger than the sum of its proper divisors (947069).

11631043 is a wasteful number, since it uses less digits than its factorization.

11631043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14621.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 11631043 is about 3410.4314976261. The cubic root of 11631043 is about 226.5719906892.

Adding to 11631043 its reverse (34013611), we get a palindrome (45644654).

The spelling of 11631043 in words is "eleven million, six hundred thirty-one thousand, forty-three".