11232131153 has 4 divisors (see below), whose sum is σ = 11253690468. Its totient is φ = 11210571840.

The previous prime is 11232131147. The next prime is 11232131227. The reversal of 11232131153 is 35113123211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5357215249 + 5874915904 = 73193^2 + 76648^2 .

It is a cyclic number.

It is not a de Polignac number, because 11232131153 - 2⁴ = 11232131137 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11232131453) 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, 10778876 + ... + 10779917.

It is an arithmetic number, because the mean of its divisors is an integer number (2813422617).

Almost surely, 2^11232131153 is an apocalyptic number.

It is an amenable number.

11232131153 is a deficient number, since it is larger than the sum of its proper divisors (21559315).

11232131153 is an equidigital number, since it uses as much as digits as its factorization.

11232131153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21559314.

The product of its digits is 540, while the sum is 23.

Adding to 11232131153 its reverse (35113123211), we get a palindrome (46345254364).

The spelling of 11232131153 in words is "eleven billion, two hundred thirty-two million, one hundred thirty-one thousand, one hundred fifty-three".