11216961160897 has 2 divisors, whose sum is σ = 11216961160898. Its totient is φ = 11216961160896.

The previous prime is 11216961160861. The next prime is 11216961160949. The reversal of 11216961160897 is 79806116961211.

It is a happy number.

11216961160897 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8794925709376 + 2422035451521 = 2965624^2 + 1556289^2 .

It is a cyclic number.

It is not a de Polignac number, because 11216961160897 - 2¹¹ = 11216961158849 is a prime.

It is not a weakly prime, because it can be changed into another prime (11216961160297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608480580448 + 5608480580449.

It is an arithmetic number, because the mean of its divisors is an integer number (5608480580449).

Almost surely, 2^{11216961160897} is an apocalyptic number.

It is an amenable number.

11216961160897 is a deficient number, since it is larger than the sum of its proper divisors (1).

11216961160897 is an equidigital number, since it uses as much as digits as its factorization.

11216961160897 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 58.

The spelling of 11216961160897 in words is "eleven trillion, two hundred sixteen billion, nine hundred sixty-one million, one hundred sixty thousand, eight hundred ninety-seven".