11755401439172 has 6 divisors (see below), whose sum is σ = 20571952518558. Its totient is φ = 5877700719584.

The previous prime is 11755401439163. The next prime is 11755401439267. The reversal of 11755401439172 is 27193410455711.

It can be written as a sum of positive squares in only one way, i.e., 11490242355076 + 265159084096 = 3389726^2 + 514936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11755401439172.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1469425179893 + ... + 1469425179900.

It is an arithmetic number, because the mean of its divisors is an integer number (3428658753093).

Almost surely, 2^{11755401439172} is an apocalyptic number.

It is an amenable number.

11755401439172 is a deficient number, since it is larger than the sum of its proper divisors (8816551079386).

11755401439172 is a wasteful number, since it uses less digits than its factorization.

11755401439172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2938850359797 (or 2938850359795 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 50.

The spelling of 11755401439172 in words is "eleven trillion, seven hundred fifty-five billion, four hundred one million, four hundred thirty-nine thousand, one hundred seventy-two".