111400803601 has 4 divisors (see below), whose sum is σ = 111421511604. Its totient is φ = 111380095600.

The previous prime is 111400803583. The next prime is 111400803607. The reversal of 111400803601 is 106308004111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106308004111 = 29129 ⋅3649559.

It can be written as a sum of positive squares in 2 ways, for example, as 87246981376 + 24153822225 = 295376^2 + 155415^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111400803601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111400803607) 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, 10345930 + ... + 10356691.

It is an arithmetic number, because the mean of its divisors is an integer number (27855377901).

Almost surely, 2^111400803601 is an apocalyptic number.

It is an amenable number.

111400803601 is a deficient number, since it is larger than the sum of its proper divisors (20708003).

111400803601 is an equidigital number, since it uses as much as digits as its factorization.

111400803601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20708002.

The product of its (nonzero) digits is 576, while the sum is 25.

Adding to 111400803601 its reverse (106308004111), we get a palindrome (217708807712).

The spelling of 111400803601 in words is "one hundred eleven billion, four hundred million, eight hundred three thousand, six hundred one".