11616482081 has 2 divisors, whose sum is σ = 11616482082. Its totient is φ = 11616482080.

The previous prime is 11616482077. The next prime is 11616482089. The reversal of 11616482081 is 18028461611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6651870481 + 4964611600 = 81559^2 + 70460^2 .

It is a cyclic number.

It is not a de Polignac number, because 11616482081 - 2² = 11616482077 is a prime.

It is a super-2 number, since 2×11616482081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11616482089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808241040 + 5808241041.

It is an arithmetic number, because the mean of its divisors is an integer number (5808241041).

Almost surely, 2^11616482081 is an apocalyptic number.

It is an amenable number.

11616482081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616482081 is an equidigital number, since it uses as much as digits as its factorization.

11616482081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 38.

The spelling of 11616482081 in words is "eleven billion, six hundred sixteen million, four hundred eighty-two thousand, eighty-one".