111544275655645 has 32 divisors (see below), whose sum is σ = 155489515094016. Its totient is φ = 75235248110400.

The previous prime is 111544275655607. The next prime is 111544275655661. The reversal of 111544275655645 is 546556572445111.

It is a happy number.

It is not a de Polignac number, because 111544275655645 - 2¹⁵ = 111544275622877 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51002089 + ... + 53144158.

It is an arithmetic number, because the mean of its divisors is an integer number (4859047346688).

Almost surely, 2^{111544275655645} is an apocalyptic number.

It is an amenable number.

111544275655645 is a deficient number, since it is larger than the sum of its proper divisors (43945239438371).

111544275655645 is a wasteful number, since it uses less digits than its factorization.

111544275655645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104146761.

The product of its digits is 100800000, while the sum is 61.

The spelling of 111544275655645 in words is "one hundred eleven trillion, five hundred forty-four billion, two hundred seventy-five million, six hundred fifty-five thousand, six hundred forty-five".