111554455005563 has 8 divisors (see below), whose sum is σ = 112740119870400. Its totient is φ = 110374616504320.

The previous prime is 111554455005407. The next prime is 111554455005607. The reversal of 111554455005563 is 365500554455111.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 111554455005563 - 2¹⁰ = 111554455004539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111554455005863) 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, 1456552403 + ... + 1456628988.

It is an arithmetic number, because the mean of its divisors is an integer number (14092514983800).

Almost surely, 2^{111554455005563} is an apocalyptic number.

111554455005563 is a deficient number, since it is larger than the sum of its proper divisors (1185664864837).

111554455005563 is a wasteful number, since it uses less digits than its factorization.

111554455005563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2913181797.

The product of its (nonzero) digits is 4500000, while the sum is 50.

The spelling of 111554455005563 in words is "one hundred eleven trillion, five hundred fifty-four billion, four hundred fifty-five million, five thousand, five hundred sixty-three".