133011111132 has 36 divisors (see below), whose sum is σ = 337982875776. Its totient is φ = 44104903680.

The previous prime is 133011111089. The next prime is 133011111137. The reversal of 133011111132 is 231111110331.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133011111137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9665253 + ... + 9679004.

It is an arithmetic number, because the mean of its divisors is an integer number (9388413216).

Almost surely, 2^133011111132 is an apocalyptic number.

133011111132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133011111132 is an abundant number, since it is smaller than the sum of its proper divisors (204971764644).

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

133011111132 is a wasteful number, since it uses less digits than its factorization.

133011111132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19344458 (or 19344453 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 133011111132 its reverse (231111110331), we get a palindrome (364122221463).

The spelling of 133011111132 in words is "one hundred thirty-three billion, eleven million, one hundred eleven thousand, one hundred thirty-two".