42606545015 has 4 divisors (see below), whose sum is σ = 51127854024. Its totient is φ = 34085236008.

The previous prime is 42606544979. The next prime is 42606545027. The reversal of 42606545015 is 51054560624.

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 42606545015 - 2¹² = 42606540919 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42606545015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4260654497 + ... + 4260654506.

It is an arithmetic number, because the mean of its divisors is an integer number (12781963506).

Almost surely, 2^42606545015 is an apocalyptic number.

42606545015 is a deficient number, since it is larger than the sum of its proper divisors (8521309009).

42606545015 is an equidigital number, since it uses as much as digits as its factorization.

42606545015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8521309008.

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 42606545015 in words is "forty-two billion, six hundred six million, five hundred forty-five thousand, fifteen".