42817493111 has 4 divisors (see below), whose sum is σ = 45071045400. Its totient is φ = 40563940824.

The previous prime is 42817493029. The next prime is 42817493203. The reversal of 42817493111 is 11139471824.

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 42817493111 - 2¹⁰ = 42817492087 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 (42817493011) 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, 1126776116 + ... + 1126776153.

It is an arithmetic number, because the mean of its divisors is an integer number (11267761350).

Almost surely, 2^42817493111 is an apocalyptic number.

42817493111 is a deficient number, since it is larger than the sum of its proper divisors (2253552289).

42817493111 is a wasteful number, since it uses less digits than its factorization.

42817493111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2253552288.

The product of its digits is 48384, while the sum is 41.

The spelling of 42817493111 in words is "forty-two billion, eight hundred seventeen million, four hundred ninety-three thousand, one hundred eleven".