111544098399 has 12 divisors (see below), whose sum is σ = 169599214200. Its totient is φ = 70448904144.

The previous prime is 111544098371. The next prime is 111544098403. The reversal of 111544098399 is 993890445111.

It is a happy number.

111544098399 is a `hidden beast` number, since 1 + 1 + 1 + 544 + 0 + 9 + 8 + 3 + 99 = 666.

It is not a de Polignac number, because 111544098399 - 2⁸ = 111544098143 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111544098359) 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, 326152164 + ... + 326152505.

It is an arithmetic number, because the mean of its divisors is an integer number (14133267850).

Almost surely, 2^111544098399 is an apocalyptic number.

111544098399 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

111544098399 is a deficient number, since it is larger than the sum of its proper divisors (58055115801).

111544098399 is a wasteful number, since it uses less digits than its factorization.

111544098399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652304694 (or 652304691 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 54.

The spelling of 111544098399 in words is "one hundred eleven billion, five hundred forty-four million, ninety-eight thousand, three hundred ninety-nine".