11303116161 has 4 divisors (see below), whose sum is σ = 15070821552. Its totient is φ = 7535410772.

The previous prime is 11303116157. The next prime is 11303116171. The reversal of 11303116161 is 16161130311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11303116161 - 2² = 11303116157 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11303116171) 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, 1883852691 + ... + 1883852696.

It is an arithmetic number, because the mean of its divisors is an integer number (3767705388).

Almost surely, 2^11303116161 is an apocalyptic number.

It is an amenable number.

11303116161 is a deficient number, since it is larger than the sum of its proper divisors (3767705391).

11303116161 is an equidigital number, since it uses as much as digits as its factorization.

11303116161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3767705390.

The product of its (nonzero) digits is 324, while the sum is 24.

Adding to 11303116161 its reverse (16161130311), we get a palindrome (27464246472).

The spelling of 11303116161 in words is "eleven billion, three hundred three million, one hundred sixteen thousand, one hundred sixty-one".