111960645 has 16 divisors (see below), whose sum is σ = 182518272. Its totient is φ = 58585280.

The previous prime is 111960643. The next prime is 111960649. The reversal of 111960645 is 546069111.

It is not a de Polignac number, because 111960645 - 2¹ = 111960643 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111960643) 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, 69621 + ... + 71210.

It is an arithmetic number, because the mean of its divisors is an integer number (11407392).

Almost surely, 2^111960645 is an apocalyptic number.

111960645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

111960645 is a deficient number, since it is larger than the sum of its proper divisors (70557627).

111960645 is a wasteful number, since it uses less digits than its factorization.

111960645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140892.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 111960645 is about 10581.1457319139. The cubic root of 111960645 is about 481.9719872037.

The spelling of 111960645 in words is "one hundred eleven million, nine hundred sixty thousand, six hundred forty-five".