111455424453 has 8 divisors (see below), whose sum is σ = 152623644448. Its totient is φ = 72295410384.

The previous prime is 111455424427. The next prime is 111455424491. The reversal of 111455424453 is 354424554111.

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

It is not a de Polignac number, because 111455424453 - 2¹² = 111455420357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111455424053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502051351 + ... + 502051572.

It is an arithmetic number, because the mean of its divisors is an integer number (19077955556).

Almost surely, 2^111455424453 is an apocalyptic number.

It is an amenable number.

111455424453 is a deficient number, since it is larger than the sum of its proper divisors (41168219995).

111455424453 is a wasteful number, since it uses less digits than its factorization.

111455424453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004102963.

The product of its digits is 192000, while the sum is 39.

Adding to 111455424453 its reverse (354424554111), we get a palindrome (465879978564).

The spelling of 111455424453 in words is "one hundred eleven billion, four hundred fifty-five million, four hundred twenty-four thousand, four hundred fifty-three".