42165635111 has 8 divisors (see below), whose sum is σ = 42456766464. Its totient is φ = 41874964120.

The previous prime is 42165635051. The next prime is 42165635147. The reversal of 42165635111 is 11153656124.

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 42165635111 - 2¹⁴ = 42165618727 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 (42165635191) 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, 69746 + ... + 298656.

It is an arithmetic number, because the mean of its divisors is an integer number (5307095808).

Almost surely, 2^42165635111 is an apocalyptic number.

42165635111 is a deficient number, since it is larger than the sum of its proper divisors (291131353).

42165635111 is a wasteful number, since it uses less digits than its factorization.

42165635111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230181.

The product of its digits is 21600, while the sum is 35.

The spelling of 42165635111 in words is "forty-two billion, one hundred sixty-five million, six hundred thirty-five thousand, one hundred eleven".