11601050985 has 32 divisors (see below), whose sum is σ = 20631905280. Its totient is φ = 6184882944.

The previous prime is 11601050977. The next prime is 11601051001. The reversal of 11601050985 is 58905010611.

11601050985 is a `hidden beast` number, since 1 + 1 + 60 + 10 + 509 + 85 = 666.

It is not a de Polignac number, because 11601050985 - 2³ = 11601050977 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 376264 + ... + 405926.

It is an arithmetic number, because the mean of its divisors is an integer number (644747040).

Almost surely, 2^11601050985 is an apocalyptic number.

11601050985 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11601050985 is a deficient number, since it is larger than the sum of its proper divisors (9030854295).

11601050985 is a wasteful number, since it uses less digits than its factorization.

11601050985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32574 (or 32568 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 36.

The spelling of 11601050985 in words is "eleven billion, six hundred one million, fifty thousand, nine hundred eighty-five".