42513215615 has 8 divisors (see below), whose sum is σ = 54940155648. Its totient is φ = 31394374560.

The previous prime is 42513215587. The next prime is 42513215651. The reversal of 42513215615 is 51651231524.

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

It is not a de Polignac number, because 42513215615 - 2¹⁴ = 42513199231 is a prime.

It is a Duffinian number.

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, 327024671 + ... + 327024800.

It is an arithmetic number, because the mean of its divisors is an integer number (6867519456).

Almost surely, 2^42513215615 is an apocalyptic number.

42513215615 is a deficient number, since it is larger than the sum of its proper divisors (12426940033).

42513215615 is a wasteful number, since it uses less digits than its factorization.

42513215615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654049489.

The product of its digits is 36000, while the sum is 35.

The spelling of 42513215615 in words is "forty-two billion, five hundred thirteen million, two hundred fifteen thousand, six hundred fifteen".