11430120132 has 36 divisors (see below), whose sum is σ = 29437955820. Its totient is φ = 3738151872.

The previous prime is 11430120127. The next prime is 11430120133. The reversal of 11430120132 is 23102103411.

11430120132 is a `hidden beast` number, since 1 + 1 + 430 + 1 + 201 + 32 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9341995716 + 2088124416 = 96654^2 + 45696^2 .

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 not an unprimeable number, because it can be changed into a prime (11430120133) 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, 2993407 + ... + 2997222.

It is an arithmetic number, because the mean of its divisors is an integer number (817720995).

Almost surely, 2^11430120132 is an apocalyptic number.

11430120132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11430120132 is an abundant number, since it is smaller than the sum of its proper divisors (18007835688).

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

11430120132 is a wasteful number, since it uses less digits than its factorization.

11430120132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5990692 (or 5990687 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11430120132 its reverse (23102103411), we get a palindrome (34532223543).

The spelling of 11430120132 in words is "eleven billion, four hundred thirty million, one hundred twenty thousand, one hundred thirty-two".