42718215911 has 4 divisors (see below), whose sum is σ = 48820818192. Its totient is φ = 36615613632.

The previous prime is 42718215901. The next prime is 42718215937. The reversal of 42718215911 is 11951281724.

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 42718215911 - 2²⁶ = 42651107047 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 (42718215901) 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, 3051301130 + ... + 3051301143.

It is an arithmetic number, because the mean of its divisors is an integer number (12205204548).

Almost surely, 2^42718215911 is an apocalyptic number.

42718215911 is a deficient number, since it is larger than the sum of its proper divisors (6102602281).

42718215911 is an equidigital number, since it uses as much as digits as its factorization.

42718215911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6102602280.

The product of its digits is 40320, while the sum is 41.

The spelling of 42718215911 in words is "forty-two billion, seven hundred eighteen million, two hundred fifteen thousand, nine hundred eleven".