11702568961 has 4 divisors (see below), whose sum is σ = 11716225092. Its totient is φ = 11688912832.

The previous prime is 11702568931. The next prime is 11702568967. The reversal of 11702568961 is 16986520711.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5134439025 + 6568129936 = 71655^2 + 81044^2 .

It is a cyclic number.

It is not a de Polignac number, because 11702568961 - 2⁷ = 11702568833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11702568967) 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, 6826780 + ... + 6828493.

It is an arithmetic number, because the mean of its divisors is an integer number (2929056273).

Almost surely, 2^11702568961 is an apocalyptic number.

It is an amenable number.

11702568961 is a deficient number, since it is larger than the sum of its proper divisors (13656131).

11702568961 is an equidigital number, since it uses as much as digits as its factorization.

11702568961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13656130.

The product of its (nonzero) digits is 181440, while the sum is 46.

The spelling of 11702568961 in words is "eleven billion, seven hundred two million, five hundred sixty-eight thousand, nine hundred sixty-one".