11911396745028 has 24 divisors (see below), whose sum is σ = 30319918987680. Its totient is φ = 3609514165120.

The previous prime is 11911396744969. The next prime is 11911396745029. The reversal of 11911396745028 is 82054769311911.

11911396745028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11911396745029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45118926933 + ... + 45118927196.

It is an arithmetic number, because the mean of its divisors is an integer number (1263329957820).

It is a 1-persistent number, because it is pandigital, but 2⋅11911396745028 = 23822793490056 is not.

Almost surely, 2^{11911396745028} is an apocalyptic number.

It is an amenable number.

11911396745028 is an abundant number, since it is smaller than the sum of its proper divisors (18408522242652).

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

11911396745028 is a wasteful number, since it uses less digits than its factorization.

11911396745028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90237854147 (or 90237854145 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 57.

The spelling of 11911396745028 in words is "eleven trillion, nine hundred eleven billion, three hundred ninety-six million, seven hundred forty-five thousand, twenty-eight".