11331331132 has 12 divisors (see below), whose sum is σ = 21632541336. Its totient is φ = 5150605040.

The previous prime is 11331331129. The next prime is 11331331163. The reversal of 11331331132 is 23113313311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128765083 + ... + 128765170.

It is an arithmetic number, because the mean of its divisors is an integer number (1802711778).

Almost surely, 2^11331331132 is an apocalyptic number.

It is an amenable number.

11331331132 is a deficient number, since it is larger than the sum of its proper divisors (10301210204).

11331331132 is a wasteful number, since it uses less digits than its factorization.

11331331132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257530268 (or 257530266 counting only the distinct ones).

The product of its digits is 486, while the sum is 22.

Adding to 11331331132 its reverse (23113313311), we get a palindrome (34444644443).

The spelling of 11331331132 in words is "eleven billion, three hundred thirty-one million, three hundred thirty-one thousand, one hundred thirty-two".