1042442605615 has 8 divisors (see below), whose sum is σ = 1251062157888. Its totient is φ = 833866730400.

The previous prime is 1042442605609. The next prime is 1042442605619. The reversal of 1042442605615 is 5165062442401.

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

It is a de Polignac number, because none of the positive numbers 2^k-1042442605615 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 (1042442605619) 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, 10866732 + ... + 10962241.

It is an arithmetic number, because the mean of its divisors is an integer number (156382769736).

Almost surely, 2^{1042442605615} is an apocalyptic number.

1042442605615 is a deficient number, since it is larger than the sum of its proper divisors (208619552273).

1042442605615 is an equidigital number, since it uses as much as digits as its factorization.

1042442605615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21838529.

The product of its (nonzero) digits is 230400, while the sum is 40.

The spelling of 1042442605615 in words is "one trillion, forty-two billion, four hundred forty-two million, six hundred five thousand, six hundred fifteen".