42044152111 has 4 divisors (see below), whose sum is σ = 45278317672. Its totient is φ = 38809986552.

The previous prime is 42044152093. The next prime is 42044152133. The reversal of 42044152111 is 11125144024.

42044152111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42044152111 - 2²³ = 42035763503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42044152151) 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, 1617082761 + ... + 1617082786.

It is an arithmetic number, because the mean of its divisors is an integer number (11319579418).

Almost surely, 2^42044152111 is an apocalyptic number.

42044152111 is a deficient number, since it is larger than the sum of its proper divisors (3234165561).

42044152111 is a wasteful number, since it uses less digits than its factorization.

42044152111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3234165560.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 42044152111 its reverse (11125144024), we get a palindrome (53169296135).

The spelling of 42044152111 in words is "forty-two billion, forty-four million, one hundred fifty-two thousand, one hundred eleven".