111663453 has 8 divisors (see below), whose sum is σ = 162419616. Its totient is φ = 67674800.

The previous prime is 111663451. The next prime is 111663509. The reversal of 111663453 is 354366111.

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 111663453 - 2¹ = 111663451 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111663453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111663451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1691838 + ... + 1691903.

It is an arithmetic number, because the mean of its divisors is an integer number (20302452).

Almost surely, 2^111663453 is an apocalyptic number.

It is an amenable number.

111663453 is a deficient number, since it is larger than the sum of its proper divisors (50756163).

111663453 is a wasteful number, since it uses less digits than its factorization.

111663453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3383755.

The product of its digits is 6480, while the sum is 30.

The square root of 111663453 is about 10567.0929304137. The cubic root of 111663453 is about 481.5451552432.

The spelling of 111663453 in words is "one hundred eleven million, six hundred sixty-three thousand, four hundred fifty-three".