10947980585 has 8 divisors (see below), whose sum is σ = 13184331336. Its totient is φ = 8727214720.

The previous prime is 10947980581. The next prime is 10947980599. The reversal of 10947980585 is 58508974901.

It can be written as a sum of positive squares in 4 ways, for example, as 1657141264 + 9290839321 = 40708^2 + 96389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10947980585 - 2² = 10947980581 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10947980585.

It is not an unprimeable number, because it can be changed into a prime (10947980581) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3894674 + ... + 3897483.

It is an arithmetic number, because the mean of its divisors is an integer number (1648041417).

Almost surely, 2^10947980585 is an apocalyptic number.

It is an amenable number.

10947980585 is a deficient number, since it is larger than the sum of its proper divisors (2236350751).

10947980585 is an equidigital number, since it uses as much as digits as its factorization.

10947980585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7792443.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 10947980585 in words is "ten billion, nine hundred forty-seven million, nine hundred eighty thousand, five hundred eighty-five".