111361615453 has 8 divisors (see below), whose sum is σ = 121490219520. Its totient is φ = 101233814880.

The previous prime is 111361615399. The next prime is 111361615481. The reversal of 111361615453 is 354516163111.

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

It is not a de Polignac number, because 111361615453 - 2³³ = 102771680861 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 (111361618453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109828 + ... + 484546.

It is an arithmetic number, because the mean of its divisors is an integer number (15186277440).

Almost surely, 2^111361615453 is an apocalyptic number.

It is an amenable number.

111361615453 is a deficient number, since it is larger than the sum of its proper divisors (10128604067).

111361615453 is a wasteful number, since it uses less digits than its factorization.

111361615453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401747.

The product of its digits is 32400, while the sum is 37.

Adding to 111361615453 its reverse (354516163111), we get a palindrome (465877778564).

The spelling of 111361615453 in words is "one hundred eleven billion, three hundred sixty-one million, six hundred fifteen thousand, four hundred fifty-three".