42817561100 has 18 divisors (see below), whose sum is σ = 92914107804. Its totient is φ = 17127024400.

The previous prime is 42817561063. The next prime is 42817561147. The reversal of 42817561100 is 116571824.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214087706 + ... + 214087905.

It is an arithmetic number, because the mean of its divisors is an integer number (5161894878).

Almost surely, 2^42817561100 is an apocalyptic number.

It is an amenable number.

42817561100 is an abundant number, since it is smaller than the sum of its proper divisors (50096546704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42817561100 is a wasteful number, since it uses less digits than its factorization.

42817561100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428175625 (or 428175618 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The spelling of 42817561100 in words is "forty-two billion, eight hundred seventeen million, five hundred sixty-one thousand, one hundred".