113163018427 has 4 divisors (see below), whose sum is σ = 113163841120. Its totient is φ = 113162195736.

The previous prime is 113163018407. The next prime is 113163018439. The reversal of 113163018427 is 724810361311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 724810361311 = 101 ⋅7176340211.

It is a cyclic number.

It is not a de Polignac number, because 113163018427 - 2¹⁵ = 113162985659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113163018407) 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 3 ways as a sum of consecutive naturals, for example, 149427 + ... + 498652.

It is an arithmetic number, because the mean of its divisors is an integer number (28290960280).

Almost surely, 2^113163018427 is an apocalyptic number.

113163018427 is a deficient number, since it is larger than the sum of its proper divisors (822693).

113163018427 is an equidigital number, since it uses as much as digits as its factorization.

113163018427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822692.

The product of its (nonzero) digits is 24192, while the sum is 37.

Adding to 113163018427 its reverse (724810361311), we get a palindrome (837973379738).

The spelling of 113163018427 in words is "one hundred thirteen billion, one hundred sixty-three million, eighteen thousand, four hundred twenty-seven".