10985895801 has 6 divisors (see below), whose sum is σ = 15868516170. Its totient is φ = 7323930528.

The previous prime is 10985895799. The next prime is 10985895883. The reversal of 10985895801 is 10859858901.

10985895801 is a `hidden beast` number, since 1 + 0 + 9 + 8 + 58 + 9 + 580 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 10424205801 + 561690000 = 102099^2 + 23700^2 .

It is not a de Polignac number, because 10985895801 - 2¹ = 10985895799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10985895301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610327536 + ... + 610327553.

It is an arithmetic number, because the mean of its divisors is an integer number (2644752695).

Almost surely, 2^10985895801 is an apocalyptic number.

It is an amenable number.

10985895801 is a deficient number, since it is larger than the sum of its proper divisors (4882620369).

10985895801 is a wasteful number, since it uses less digits than its factorization.

10985895801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1220655095 (or 1220655092 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 54.

The spelling of 10985895801 in words is "ten billion, nine hundred eighty-five million, eight hundred ninety-five thousand, eight hundred one".