11133201132 has 18 divisors (see below), whose sum is σ = 28142258508. Its totient is φ = 3711067032.

The previous prime is 11133201119. The next prime is 11133201137. The reversal of 11133201132 is 23110233111.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11133201137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 154627758 + ... + 154627829.

It is an arithmetic number, because the mean of its divisors is an integer number (1563458806).

Almost surely, 2^11133201132 is an apocalyptic number.

11133201132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11133201132 is an abundant number, since it is smaller than the sum of its proper divisors (17009057376).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11133201132 is a wasteful number, since it uses less digits than its factorization.

11133201132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309255597 (or 309255592 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11133201132 its reverse (23110233111), we get a palindrome (34243434243).

The spelling of 11133201132 in words is "eleven billion, one hundred thirty-three million, two hundred one thousand, one hundred thirty-two".