42243012515 has 8 divisors (see below), whose sum is σ = 55299943728. Its totient is φ = 30722190880.

The previous prime is 42243012473. The next prime is 42243012521. The reversal of 42243012515 is 51521034224.

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

It is not a de Polignac number, because 42243012515 - 2¹⁰ = 42243011491 is a prime.

It is a Duffinian 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, 384027332 + ... + 384027441.

It is an arithmetic number, because the mean of its divisors is an integer number (6912492966).

Almost surely, 2^42243012515 is an apocalyptic number.

42243012515 is a deficient number, since it is larger than the sum of its proper divisors (13056931213).

42243012515 is a wasteful number, since it uses less digits than its factorization.

42243012515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768054789.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 42243012515 its reverse (51521034224), we get a palindrome (93764046739).

The spelling of 42243012515 in words is "forty-two billion, two hundred forty-three million, twelve thousand, five hundred fifteen".