113205434145 has 48 divisors (see below), whose sum is σ = 196885043520. Its totient is φ = 55503092736.

The previous prime is 113205434101. The next prime is 113205434159. The reversal of 113205434145 is 541434502311.

It is not a de Polignac number, because 113205434145 - 2⁹ = 113205433633 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 117250 + ... + 490059.

It is an arithmetic number, because the mean of its divisors is an integer number (4101771740).

Almost surely, 2^113205434145 is an apocalyptic number.

113205434145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

113205434145 is a deficient number, since it is larger than the sum of its proper divisors (83679609375).

113205434145 is a wasteful number, since it uses less digits than its factorization.

113205434145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607394 (or 607377 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

Adding to 113205434145 its reverse (541434502311), we get a palindrome (654639936456).

The spelling of 113205434145 in words is "one hundred thirteen billion, two hundred five million, four hundred thirty-four thousand, one hundred forty-five".