47085139675081 has 8 divisors (see below), whose sum is σ = 47429632783944. Its totient is φ = 46740658247040.

The previous prime is 47085139675039. The next prime is 47085139675087. The reversal of 47085139675081 is 18057693158074.

47085139675081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 18979449484681 + 28105690190400 = 4356541^2 + 5301480^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 47085139675081 - 2³⁷ = 46947700721609 is a prime.

It is a super-2 number, since 2×47085139675081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47085139675087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5254651 + ... + 11035471.

It is an arithmetic number, because the mean of its divisors is an integer number (5928704097993).

Almost surely, 2^{47085139675081} is an apocalyptic number.

It is an amenable number.

47085139675081 is a deficient number, since it is larger than the sum of its proper divisors (344493108863).

47085139675081 is a wasteful number, since it uses less digits than its factorization.

47085139675081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5840411.

The product of its (nonzero) digits is 50803200, while the sum is 64.

The spelling of 47085139675081 in words is "forty-seven trillion, eighty-five billion, one hundred thirty-nine million, six hundred seventy-five thousand, eighty-one".