42546111851 has 8 divisors (see below), whose sum is σ = 44198308224. Its totient is φ = 40911399360.

The previous prime is 42546111799. The next prime is 42546111859. The reversal of 42546111851 is 15811164524.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-42546111851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42546111859) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4366010 + ... + 4375743.

It is an arithmetic number, because the mean of its divisors is an integer number (5524788528).

Almost surely, 2^42546111851 is an apocalyptic number.

42546111851 is a deficient number, since it is larger than the sum of its proper divisors (1652196373).

42546111851 is a wasteful number, since it uses less digits than its factorization.

42546111851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741941.

The product of its digits is 38400, while the sum is 38.

The spelling of 42546111851 in words is "forty-two billion, five hundred forty-six million, one hundred eleven thousand, eight hundred fifty-one".