111660801 has 8 divisors (see below), whose sum is σ = 170149824. Its totient is φ = 63806160.

The previous prime is 111660797. The next prime is 111660803. The reversal of 111660801 is 108066111.

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

It is not a de Polignac number, because 111660801 - 2² = 111660797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111660803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2658570 + ... + 2658611.

It is an arithmetic number, because the mean of its divisors is an integer number (21268728).

Almost surely, 2^111660801 is an apocalyptic number.

It is an amenable number.

111660801 is a deficient number, since it is larger than the sum of its proper divisors (58489023).

111660801 is an equidigital number, since it uses as much as digits as its factorization.

111660801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5317191.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 111660801 is about 10566.9674457718. The cubic root of 111660801 is about 481.5413429907.

The spelling of 111660801 in words is "one hundred eleven million, six hundred sixty thousand, eight hundred one".