11131402232 has 8 divisors (see below), whose sum is σ = 20871379200. Its totient is φ = 5565701112.

The previous prime is 11131402229. The next prime is 11131402237. The reversal of 11131402232 is 23220413111.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131402237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 695712632 + ... + 695712647.

It is an arithmetic number, because the mean of its divisors is an integer number (2608922400).

Almost surely, 2^11131402232 is an apocalyptic number.

It is an amenable number.

11131402232 is a deficient number, since it is larger than the sum of its proper divisors (9739976968).

11131402232 is a wasteful number, since it uses less digits than its factorization.

11131402232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391425285 (or 1391425281 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11131402232 its reverse (23220413111), we get a palindrome (34351815343).

The spelling of 11131402232 in words is "eleven billion, one hundred thirty-one million, four hundred two thousand, two hundred thirty-two".