42061568515 has 8 divisors (see below), whose sum is σ = 51704952768. Its totient is φ = 32828541120.

The previous prime is 42061568503. The next prime is 42061568567. The reversal of 42061568515 is 51586516024.

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

It is not a de Polignac number, because 42061568515 - 2¹³ = 42061560323 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, 102588987 + ... + 102589396.

It is an arithmetic number, because the mean of its divisors is an integer number (6463119096).

Almost surely, 2^42061568515 is an apocalyptic number.

42061568515 is a deficient number, since it is larger than the sum of its proper divisors (9643384253).

42061568515 is a wasteful number, since it uses less digits than its factorization.

42061568515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205178429.

The product of its (nonzero) digits is 288000, while the sum is 43.

The spelling of 42061568515 in words is "forty-two billion, sixty-one million, five hundred sixty-eight thousand, five hundred fifteen".