11984113522545 has 32 divisors (see below), whose sum is σ = 19442397340800. Its totient is φ = 6302301709824.

The previous prime is 11984113522499. The next prime is 11984113522547. The reversal of 11984113522545 is 54522531148911.

11984113522545 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 11984113522545 - 2⁸ = 11984113522289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11984113522547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2689951 + ... + 5586059.

It is an arithmetic number, because the mean of its divisors is an integer number (607574916900).

Almost surely, 2^{11984113522545} is an apocalyptic number.

11984113522545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11984113522545 is a deficient number, since it is larger than the sum of its proper divisors (7458283818255).

11984113522545 is a wasteful number, since it uses less digits than its factorization.

11984113522545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2899969.

The product of its digits is 1728000, while the sum is 51.

The spelling of 11984113522545 in words is "eleven trillion, nine hundred eighty-four billion, one hundred thirteen million, five hundred twenty-two thousand, five hundred forty-five".