42165522215 has 8 divisors (see below), whose sum is σ = 50602912800. Its totient is φ = 33729560352.

The previous prime is 42165522199. The next prime is 42165522221. The reversal of 42165522215 is 51222556124.

42165522215 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 42165522215 - 2⁴ = 42165522199 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 291140 + ... + 411209.

It is an arithmetic number, because the mean of its divisors is an integer number (6325364100).

Almost surely, 2^42165522215 is an apocalyptic number.

42165522215 is a deficient number, since it is larger than the sum of its proper divisors (8437390585).

42165522215 is a wasteful number, since it uses less digits than its factorization.

42165522215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 714361.

The product of its digits is 48000, while the sum is 35.

The spelling of 42165522215 in words is "forty-two billion, one hundred sixty-five million, five hundred twenty-two thousand, two hundred fifteen".