85481307711 has 12 divisors (see below), whose sum is σ = 123485517792. Its totient is φ = 56981761056.

The previous prime is 85481307697. The next prime is 85481307721. The reversal of 85481307711 is 11770318458.

85481307711 is a `hidden beast` number, since 8 + 548 + 1 + 30 + 7 + 71 + 1 = 666.

It is not a de Polignac number, because 85481307711 - 2¹⁵ = 85481274943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85481307721) 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 11 ways as a sum of consecutive naturals, for example, 386766 + ... + 566171.

It is an arithmetic number, because the mean of its divisors is an integer number (10290459816).

Almost surely, 2^85481307711 is an apocalyptic number.

85481307711 is a deficient number, since it is larger than the sum of its proper divisors (38004210081).

85481307711 is a wasteful number, since it uses less digits than its factorization.

85481307711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962910 (or 962907 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 45.

The spelling of 85481307711 in words is "eighty-five billion, four hundred eighty-one million, three hundred seven thousand, seven hundred eleven".