42157860005 has 16 divisors (see below), whose sum is σ = 52794512640. Its totient is φ = 32256542208.

The previous prime is 42157859987. The next prime is 42157860053. The reversal of 42157860005 is 50006875124.

42157860005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 42157860005 - 2³⁰ = 41084118181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1988501 + ... + 2009589.

It is an arithmetic number, because the mean of its divisors is an integer number (3299657040).

Almost surely, 2^42157860005 is an apocalyptic number.

It is an amenable number.

42157860005 is a deficient number, since it is larger than the sum of its proper divisors (10636652635).

42157860005 is a wasteful number, since it uses less digits than its factorization.

42157860005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38500.

The product of its (nonzero) digits is 67200, while the sum is 38.

The spelling of 42157860005 in words is "forty-two billion, one hundred fifty-seven million, eight hundred sixty thousand, five".