11708596961 has 4 divisors (see below), whose sum is σ = 11773285524. Its totient is φ = 11643908400.

The previous prime is 11708596957. The next prime is 11708596981. The reversal of 11708596961 is 16969580711.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16969580711 = 23 ⋅737807857.

It can be written as a sum of positive squares in 2 ways, for example, as 569061025 + 11139535936 = 23855^2 + 105544^2 .

It is a cyclic number.

It is not a de Polignac number, because 11708596961 - 2² = 11708596957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11708596981) 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, 32344010 + ... + 32344371.

It is an arithmetic number, because the mean of its divisors is an integer number (2943321381).

Almost surely, 2^11708596961 is an apocalyptic number.

It is an amenable number.

11708596961 is a deficient number, since it is larger than the sum of its proper divisors (64688563).

11708596961 is an equidigital number, since it uses as much as digits as its factorization.

11708596961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64688562.

The product of its (nonzero) digits is 816480, while the sum is 53.

The spelling of 11708596961 in words is "eleven billion, seven hundred eight million, five hundred ninety-six thousand, nine hundred sixty-one".