42145516415 has 8 divisors (see below), whose sum is σ = 50694751968. Its totient is φ = 33636324960.

The previous prime is 42145516403. The next prime is 42145516471. The reversal of 42145516415 is 51461554124.

42145516415 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42145516415 - 2²⁰ = 42144467839 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, 10008707 + ... + 10012916.

It is an arithmetic number, because the mean of its divisors is an integer number (6336843996).

Almost surely, 2^42145516415 is an apocalyptic number.

42145516415 is a deficient number, since it is larger than the sum of its proper divisors (8549235553).

42145516415 is a wasteful number, since it uses less digits than its factorization.

42145516415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20022049.

The product of its digits is 96000, while the sum is 38.

The spelling of 42145516415 in words is "forty-two billion, one hundred forty-five million, five hundred sixteen thousand, four hundred fifteen".