111042897 has 64 divisors (see below), whose sum is σ = 186624000. Its totient is φ = 57328128.

The previous prime is 111042853. The next prime is 111042901. The reversal of 111042897 is 798240111.

It is not a de Polignac number, because 111042897 - 2¹⁵ = 111010129 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111042847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1247629 + ... + 1247717.

It is an arithmetic number, because the mean of its divisors is an integer number (2916000).

Almost surely, 2^111042897 is an apocalyptic number.

It is an amenable number.

111042897 is a deficient number, since it is larger than the sum of its proper divisors (75581103).

111042897 is a wasteful number, since it uses less digits than its factorization.

111042897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230.

The product of its (nonzero) digits is 4032, while the sum is 33.

The square root of 111042897 is about 10537.6893577292. The cubic root of 111042897 is about 480.6514548568.

The spelling of 111042897 in words is "one hundred eleven million, forty-two thousand, eight hundred ninety-seven".