111750057 has 16 divisors (see below), whose sum is σ = 166294080. Its totient is φ = 74167776.

The previous prime is 111750049. The next prime is 111750059. The reversal of 111750057 is 750057111.

It is not a de Polignac number, because 111750057 - 2³ = 111750049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 111750057.

It is not an unprimeable number, because it can be changed into a prime (111750059) 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, 2988 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (10393380).

Almost surely, 2^111750057 is an apocalyptic number.

It is an amenable number.

111750057 is a deficient number, since it is larger than the sum of its proper divisors (54544023).

111750057 is a wasteful number, since it uses less digits than its factorization.

111750057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18469 (or 18463 counting only the distinct ones).

The product of its (nonzero) digits is 1225, while the sum is 27.

The square root of 111750057 is about 10571.1899519401. The cubic root of 111750057 is about 481.6696154213.

The spelling of 111750057 in words is "one hundred eleven million, seven hundred fifty thousand, fifty-seven".