111146604653 has 4 divisors (see below), whose sum is σ = 127024691040. Its totient is φ = 95268518268.

The previous prime is 111146604593. The next prime is 111146604731. The reversal of 111146604653 is 356406641111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 111146604653 - 2⁶ = 111146604589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111146601653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7939043183 + ... + 7939043196.

It is an arithmetic number, because the mean of its divisors is an integer number (31756172760).

Almost surely, 2^111146604653 is an apocalyptic number.

It is an amenable number.

111146604653 is a deficient number, since it is larger than the sum of its proper divisors (15878086387).

111146604653 is an equidigital number, since it uses as much as digits as its factorization.

111146604653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878086386.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 111146604653 in words is "one hundred eleven billion, one hundred forty-six million, six hundred four thousand, six hundred fifty-three".