85482809811 has 120 divisors (see below), whose sum is σ = 151296233616. Its totient is φ = 47948060160.

The previous prime is 85482809771. The next prime is 85482809831. The reversal of 85482809811 is 11890828458.

85482809811 is a `hidden beast` number, since 8 + 5 + 482 + 80 + 9 + 81 + 1 = 666.

It is not a de Polignac number, because 85482809811 - 2⁷ = 85482809683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (85482809831) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 138545575 + ... + 138546191.

Almost surely, 2^85482809811 is an apocalyptic number.

85482809811 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

85482809811 is a deficient number, since it is larger than the sum of its proper divisors (65813423805).

85482809811 is a wasteful number, since it uses less digits than its factorization.

85482809811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 54.

The spelling of 85482809811 in words is "eighty-five billion, four hundred eighty-two million, eight hundred nine thousand, eight hundred eleven".