85556485191 has 16 divisors (see below), whose sum is σ = 122765722848. Its totient is φ = 52802457600.

The previous prime is 85556485187. The next prime is 85556485211. The reversal of 85556485191 is 19158465558.

It is not a de Polignac number, because 85556485191 - 2² = 85556485187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85556485121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 13747530 + ... + 13753751.

It is an arithmetic number, because the mean of its divisors is an integer number (7672857678).

Almost surely, 2^85556485191 is an apocalyptic number.

85556485191 is a deficient number, since it is larger than the sum of its proper divisors (37209237657).

85556485191 is a wasteful number, since it uses less digits than its factorization.

85556485191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27501362.

The product of its digits is 8640000, while the sum is 57.

The spelling of 85556485191 in words is "eighty-five billion, five hundred fifty-six million, four hundred eighty-five thousand, one hundred ninety-one".