11585902847 has 4 divisors (see below), whose sum is σ = 11597341080. Its totient is φ = 11574464616.

The previous prime is 11585902829. The next prime is 11585902871. The reversal of 11585902847 is 74820958511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11585902847 - 2²⁶ = 11518793983 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11585902795 and 11585902804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11585902247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5717597 + ... + 5719622.

It is an arithmetic number, because the mean of its divisors is an integer number (2899335270).

Almost surely, 2^11585902847 is an apocalyptic number.

11585902847 is a deficient number, since it is larger than the sum of its proper divisors (11438233).

11585902847 is a wasteful number, since it uses less digits than its factorization.

11585902847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11438232.

The product of its (nonzero) digits is 806400, while the sum is 50.

The spelling of 11585902847 in words is "eleven billion, five hundred eighty-five million, nine hundred two thousand, eight hundred forty-seven".