111373055271599 has 24 divisors (see below), whose sum is σ = 130368639890160. Its totient is φ = 94741629973760.

The previous prime is 111373055271581. The next prime is 111373055271601. The reversal of 111373055271599 is 995172550373111.

It is not a de Polignac number, because 111373055271599 - 2⁸ = 111373055271343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111373055271539) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156128069 + ... + 156839790.

It is an arithmetic number, because the mean of its divisors is an integer number (5432026662090).

Almost surely, 2^{111373055271599} is an apocalyptic number.

111373055271599 is a deficient number, since it is larger than the sum of its proper divisors (18995584618561).

111373055271599 is a wasteful number, since it uses less digits than its factorization.

111373055271599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 312968071 (or 312968060 counting only the distinct ones).

The product of its (nonzero) digits is 8930250, while the sum is 59.

The spelling of 111373055271599 in words is "one hundred eleven trillion, three hundred seventy-three billion, fifty-five million, two hundred seventy-one thousand, five hundred ninety-nine".