118563453 has 16 divisors (see below), whose sum is σ = 175872960. Its totient is φ = 78941808.

The previous prime is 118563421. The next prime is 118563481. The reversal of 118563453 is 354365811.

118563453 is a `hidden beast` number, since 1 + 18 + 5 + 634 + 5 + 3 = 666.

It is not a de Polignac number, because 118563453 - 2⁵ = 118563421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118563493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23251 + ... + 27887.

It is an arithmetic number, because the mean of its divisors is an integer number (10992060).

Almost surely, 2^118563453 is an apocalyptic number.

It is an amenable number.

118563453 is a deficient number, since it is larger than the sum of its proper divisors (57309507).

118563453 is an equidigital number, since it uses as much as digits as its factorization.

118563453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5587 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 118563453 is about 10888.6846313042. The cubic root of 118563453 is about 491.2662694921.

The spelling of 118563453 in words is "one hundred eighteen million, five hundred sixty-three thousand, four hundred fifty-three".