111697645 has 8 divisors (see below), whose sum is σ = 134095104. Its totient is φ = 89319504.

The previous prime is 111697631. The next prime is 111697687. The reversal of 111697645 is 546796111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111697645 - 2⁵ = 111697613 is a prime.

It is a super-3 number, since 3×111697645³ (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111697598 and 111697607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16332 + ... + 22138.

It is an arithmetic number, because the mean of its divisors is an integer number (16761888).

Almost surely, 2^111697645 is an apocalyptic number.

It is an amenable number.

111697645 is a deficient number, since it is larger than the sum of its proper divisors (22397459).

111697645 is an equidigital number, since it uses as much as digits as its factorization.

111697645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9659.

The product of its digits is 45360, while the sum is 40.

The square root of 111697645 is about 10568.7106592999. The cubic root of 111697645 is about 481.5943008716.

The spelling of 111697645 in words is "one hundred eleven million, six hundred ninety-seven thousand, six hundred forty-five".