42166703811 has 8 divisors (see below), whose sum is σ = 56223509184. Its totient is φ = 28110517160.

The previous prime is 42166703809. The next prime is 42166703851. The reversal of 42166703811 is 11830766124.

42166703811 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42166703811 - 2¹ = 42166703809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42166703811.

It is not an unprimeable number, because it can be changed into a prime (42166703851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38980 + ... + 293006.

It is an arithmetic number, because the mean of its divisors is an integer number (7027938648).

Almost surely, 2^42166703811 is an apocalyptic number.

42166703811 is a deficient number, since it is larger than the sum of its proper divisors (14056805373).

42166703811 is a wasteful number, since it uses less digits than its factorization.

42166703811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309361.

The product of its (nonzero) digits is 48384, while the sum is 39.

The spelling of 42166703811 in words is "forty-two billion, one hundred sixty-six million, seven hundred three thousand, eight hundred eleven".