111840775149 has 16 divisors (see below), whose sum is σ = 152501553792. Its totient is φ = 72888334848.

The previous prime is 111840775133. The next prime is 111840775217. The reversal of 111840775149 is 941577048111.

It is not a de Polignac number, because 111840775149 - 2⁴ = 111840775133 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 111840775098 and 111840775107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111840775049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2234937 + ... + 2284430.

It is an arithmetic number, because the mean of its divisors is an integer number (9531347112).

Almost surely, 2^111840775149 is an apocalyptic number.

It is an amenable number.

111840775149 is a deficient number, since it is larger than the sum of its proper divisors (40660778643).

111840775149 is a wasteful number, since it uses less digits than its factorization.

111840775149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4519556.

The product of its (nonzero) digits is 282240, while the sum is 48.

The spelling of 111840775149 in words is "one hundred eleven billion, eight hundred forty million, seven hundred seventy-five thousand, one hundred forty-nine".