42045205113043 has 4 divisors (see below), whose sum is σ = 45867496486968. Its totient is φ = 38222913739120.

The previous prime is 42045205113031. The next prime is 42045205113049. The reversal of 42045205113043 is 34031150254024.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-42045205113043 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42045205113049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1911145686946 + ... + 1911145686967.

It is an arithmetic number, because the mean of its divisors is an integer number (11466874121742).

Almost surely, 2^{42045205113043} is an apocalyptic number.

42045205113043 is a deficient number, since it is larger than the sum of its proper divisors (3822291373925).

42045205113043 is a wasteful number, since it uses less digits than its factorization.

42045205113043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3822291373924.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 42045205113043 its reverse (34031150254024), we get a palindrome (76076355367067).

The spelling of 42045205113043 in words is "forty-two trillion, forty-five billion, two hundred five million, one hundred thirteen thousand, forty-three".