42137852185 has 32 divisors (see below), whose sum is σ = 59442808320. Its totient is φ = 28270598400.

The previous prime is 42137852171. The next prime is 42137852231. The reversal of 42137852185 is 58125873124.

It is a happy number.

It is not a de Polignac number, because 42137852185 - 2²¹ = 42135755033 is a prime.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1175680 + ... + 1210990.

It is an arithmetic number, because the mean of its divisors is an integer number (1857587760).

Almost surely, 2^42137852185 is an apocalyptic number.

It is an amenable number.

42137852185 is a deficient number, since it is larger than the sum of its proper divisors (17304956135).

42137852185 is a wasteful number, since it uses less digits than its factorization.

42137852185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37009.

The product of its digits is 537600, while the sum is 46.

The spelling of 42137852185 in words is "forty-two billion, one hundred thirty-seven million, eight hundred fifty-two thousand, one hundred eighty-five".