7042040111 has 4 divisors (see below), whose sum is σ = 7348215792. Its totient is φ = 6735864432.

The previous prime is 7042040099. The next prime is 7042040149. The reversal of 7042040111 is 1110402407.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7042040111 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 (7042040711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153087806 + ... + 153087851.

It is an arithmetic number, because the mean of its divisors is an integer number (1837053948).

Almost surely, 2^7042040111 is an apocalyptic number.

7042040111 is a deficient number, since it is larger than the sum of its proper divisors (306175681).

7042040111 is a wasteful number, since it uses less digits than its factorization.

7042040111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306175680.

The product of its (nonzero) digits is 224, while the sum is 20.

The square root of 7042040111 is about 83916.8642824552. The cubic root of 7042040111 is about 1916.7530580576.

Adding to 7042040111 its reverse (1110402407), we get a palindrome (8152442518).

The spelling of 7042040111 in words is "seven billion, forty-two million, forty thousand, one hundred eleven".