113042123545 has 24 divisors (see below), whose sum is σ = 147125851200. Its totient is φ = 83342016576.

The previous prime is 113042123489. The next prime is 113042123563. The reversal of 113042123545 is 545321240311.

It is a de Polignac number, because none of the positive numbers 2^k-113042123545 is a prime.

It is a super-3 number, since 3×113042123545³ (a number of 34 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 414996 + ... + 631114.

It is an arithmetic number, because the mean of its divisors is an integer number (6130243800).

Almost surely, 2^113042123545 is an apocalyptic number.

It is an amenable number.

113042123545 is a deficient number, since it is larger than the sum of its proper divisors (34083727655).

113042123545 is a wasteful number, since it uses less digits than its factorization.

113042123545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216769 (or 216756 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 113042123545 its reverse (545321240311), we get a palindrome (658363363856).

The spelling of 113042123545 in words is "one hundred thirteen billion, forty-two million, one hundred twenty-three thousand, five hundred forty-five".