111354423455 has 8 divisors (see below), whose sum is σ = 145773063504. Its totient is φ = 80985035200.

The previous prime is 111354423449. The next prime is 111354423469. The reversal of 111354423455 is 554324453111.

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

It is not a de Polignac number, because 111354423455 - 2⁶ = 111354423391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 1012312886 + ... + 1012312995.

It is an arithmetic number, because the mean of its divisors is an integer number (18221632938).

Almost surely, 2^111354423455 is an apocalyptic number.

111354423455 is a deficient number, since it is larger than the sum of its proper divisors (34418640049).

111354423455 is a wasteful number, since it uses less digits than its factorization.

111354423455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024625897.

The product of its digits is 144000, while the sum is 38.

Adding to 111354423455 its reverse (554324453111), we get a palindrome (665678876566).

The spelling of 111354423455 in words is "one hundred eleven billion, three hundred fifty-four million, four hundred twenty-three thousand, four hundred fifty-five".