111036343553 has 16 divisors (see below), whose sum is σ = 117851387520. Its totient is φ = 104393874816.

The previous prime is 111036343543. The next prime is 111036343597. The reversal of 111036343553 is 355343630111.

It is a cyclic number.

It is not a de Polignac number, because 111036343553 - 2²⁶ = 110969234689 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (111036343513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 625403 + ... + 783071.

It is an arithmetic number, because the mean of its divisors is an integer number (7365711720).

Almost surely, 2^111036343553 is an apocalyptic number.

It is an amenable number.

111036343553 is a deficient number, since it is larger than the sum of its proper divisors (6815043967).

111036343553 is a wasteful number, since it uses less digits than its factorization.

111036343553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158216.

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 111036343553 its reverse (355343630111), we get a palindrome (466379973664).

The spelling of 111036343553 in words is "one hundred eleven billion, thirty-six million, three hundred forty-three thousand, five hundred fifty-three".