111544275661338 has 32 divisors (see below), whose sum is σ = 240249710223936. Its totient is φ = 34321244001408.

The previous prime is 111544275661279. The next prime is 111544275661361. The reversal of 111544275661338 is 833166572445111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45625645 + ... + 48008207.

It is an arithmetic number, because the mean of its divisors is an integer number (7507803444498).

Almost surely, 2^{111544275661338} is an apocalyptic number.

111544275661338 is an abundant number, since it is smaller than the sum of its proper divisors (128705434562598).

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

111544275661338 is a wasteful number, since it uses less digits than its factorization.

111544275661338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982798.

The product of its digits is 14515200, while the sum is 57.

The spelling of 111544275661338 in words is "one hundred eleven trillion, five hundred forty-four billion, two hundred seventy-five million, six hundred sixty-one thousand, three hundred thirty-eight".