42040140011 has 4 divisors (see below), whose sum is σ = 42052771800. Its totient is φ = 42027508224.

The previous prime is 42040140007. The next prime is 42040140041. The reversal of 42040140011 is 11004104024.

42040140011 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 42040140011 - 2² = 42040140007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42040140041) 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, 6310901 + ... + 6317558.

It is an arithmetic number, because the mean of its divisors is an integer number (10513192950).

Almost surely, 2^42040140011 is an apocalyptic number.

42040140011 is a deficient number, since it is larger than the sum of its proper divisors (12631789).

42040140011 is a wasteful number, since it uses less digits than its factorization.

42040140011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12631788.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 42040140011 its reverse (11004104024), we get a palindrome (53044244035).

The spelling of 42040140011 in words is "forty-two billion, forty million, one hundred forty thousand, eleven".