113242021405045 has 32 divisors (see below), whose sum is σ = 146984189315040. Its totient is φ = 83258947215360.

The previous prime is 113242021405043. The next prime is 113242021405061. The reversal of 113242021405045 is 540504120242311.

It can be written as a sum of positive squares in 16 ways, for example, as 35224972813969 + 78017048591076 = 5935063^2 + 8832726^2 .

It is not a de Polignac number, because 113242021405045 - 2¹ = 113242021405043 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 113242021405045.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113242021405043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68247187 + ... + 69886783.

It is an arithmetic number, because the mean of its divisors is an integer number (4593255916095).

Almost surely, 2^{113242021405045} is an apocalyptic number.

It is an amenable number.

113242021405045 is a deficient number, since it is larger than the sum of its proper divisors (33742167909995).

113242021405045 is a wasteful number, since it uses less digits than its factorization.

113242021405045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644265.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 113242021405045 its reverse (540504120242311), we get a palindrome (653746141647356).

The spelling of 113242021405045 in words is "one hundred thirteen trillion, two hundred forty-two billion, twenty-one million, four hundred five thousand, forty-five".