42005163802085 has 8 divisors (see below), whose sum is σ = 54988578068256. Its totient is φ = 30549210037840.

The previous prime is 42005163802073. The next prime is 42005163802099. The reversal of 42005163802085 is 58020836150024.

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-42005163802085 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, 381865125419 + ... + 381865125528.

It is an arithmetic number, because the mean of its divisors is an integer number (6873572258532).

Almost surely, 2^{42005163802085} is an apocalyptic number.

It is an amenable number.

42005163802085 is a deficient number, since it is larger than the sum of its proper divisors (12983414266171).

42005163802085 is a wasteful number, since it uses less digits than its factorization.

42005163802085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 763730250963.

The product of its (nonzero) digits is 460800, while the sum is 44.

The spelling of 42005163802085 in words is "forty-two trillion, five billion, one hundred sixty-three million, eight hundred two thousand, eighty-five".