11153324431 has 4 divisors (see below), whose sum is σ = 11224364872. Its totient is φ = 11082283992.

The previous prime is 11153324417. The next prime is 11153324459. The reversal of 11153324431 is 13442335111.

11153324431 is digitally balanced in base 2, 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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11153324431 is a prime.

It is a super-2 number, since 2×11153324431² (a number of 21 digits) 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 11153324431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11153324471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35519985 + ... + 35520298.

It is an arithmetic number, because the mean of its divisors is an integer number (2806091218).

Almost surely, 2^11153324431 is an apocalyptic number.

11153324431 is a deficient number, since it is larger than the sum of its proper divisors (71040441).

11153324431 is an equidigital number, since it uses as much as digits as its factorization.

11153324431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71040440.

The product of its digits is 4320, while the sum is 28.

Adding to 11153324431 its reverse (13442335111), we get a palindrome (24595659542).

The spelling of 11153324431 in words is "eleven billion, one hundred fifty-three million, three hundred twenty-four thousand, four hundred thirty-one".