11597838866 has 8 divisors (see below), whose sum is σ = 17681951244. Its totient is φ = 5703855120.

The previous prime is 11597838859. The next prime is 11597838883. The reversal of 11597838866 is 66883879511.

It can be written as a sum of positive squares in 2 ways, for example, as 11261666641 + 336172225 = 106121^2 + 18335^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11597838799 and 11597838808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47532005 + ... + 47532248.

Almost surely, 2^11597838866 is an apocalyptic number.

11597838866 is a deficient number, since it is larger than the sum of its proper divisors (6084112378).

11597838866 is an equidigital number, since it uses as much as digits as its factorization.

11597838866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95064316.

The product of its digits is 17418240, while the sum is 62.

The spelling of 11597838866 in words is "eleven billion, five hundred ninety-seven million, eight hundred thirty-eight thousand, eight hundred sixty-six".