111506656001 has 4 divisors (see below), whose sum is σ = 120084091092. Its totient is φ = 102929220912.

The previous prime is 111506655983. The next prime is 111506656039. The reversal of 111506656001 is 100656605111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5280202225 + 106226453776 = 72665^2 + 325924^2 .

It is a cyclic number.

It is not a de Polignac number, because 111506656001 - 2³⁰ = 110432914177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111506656091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4288717526 + ... + 4288717551.

It is an arithmetic number, because the mean of its divisors is an integer number (30021022773).

Almost surely, 2^111506656001 is an apocalyptic number.

It is an amenable number.

111506656001 is a deficient number, since it is larger than the sum of its proper divisors (8577435091).

111506656001 is an equidigital number, since it uses as much as digits as its factorization.

111506656001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8577435090.

The product of its (nonzero) digits is 5400, while the sum is 32.

The spelling of 111506656001 in words is "one hundred eleven billion, five hundred six million, six hundred fifty-six thousand, one".