11728158112449 has 16 divisors (see below), whose sum is σ = 17798830741440. Its totient is φ = 7628070316320.

The previous prime is 11728158112409. The next prime is 11728158112477. The reversal of 11728158112449 is 94421185182711.

11728158112449 is a `hidden beast` number, since 1 + 1 + 7 + 2 + 8 + 1 + 581 + 12 + 4 + 49 = 666.

11728158112449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11728158112449 - 2⁸ = 11728158112193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11728158112395 and 11728158112404.

It is not an unprimeable number, because it can be changed into a prime (11728158112409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5297269947 + ... + 5297272160.

It is an arithmetic number, because the mean of its divisors is an integer number (1112426921340).

Almost surely, 2^{11728158112449} is an apocalyptic number.

It is an amenable number.

11728158112449 is a deficient number, since it is larger than the sum of its proper divisors (6070672628991).

11728158112449 is a wasteful number, since it uses less digits than its factorization.

11728158112449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10594542157 (or 10594542151 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 54.

The spelling of 11728158112449 in words is "eleven trillion, seven hundred twenty-eight billion, one hundred fifty-eight million, one hundred twelve thousand, four hundred forty-nine".