85855011560 has 32 divisors (see below), whose sum is σ = 199834943400. Its totient is φ = 33157797120.

The previous prime is 85855011553. The next prime is 85855011643. The reversal of 85855011560 is 6511055858.

It can be written as a sum of positive squares in 4 ways, for example, as 71185441636 + 14669569924 = 266806^2 + 121118^2 .

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, 37005311 + ... + 37007630.

Almost surely, 2^85855011560 is an apocalyptic number.

It is an amenable number.

85855011560 is an abundant number, since it is smaller than the sum of its proper divisors (113979931840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85855011560 is a wasteful number, since it uses less digits than its factorization.

85855011560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74012981 (or 74012977 counting only the distinct ones).

The product of its (nonzero) digits is 240000, while the sum is 44.

The spelling of 85855011560 in words is "eighty-five billion, eight hundred fifty-five million, eleven thousand, five hundred sixty".