2116535461 has 2 divisors, whose sum is σ = 2116535462. Its totient is φ = 2116535460.

The previous prime is 2116535459. The next prime is 2116535503. The reversal of 2116535461 is 1645356112.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1228853025 + 887682436 = 35055^2 + 29794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2116535461 - 2¹ = 2116535459 is a prime.

Together with 2116535459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2116535401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1058267730 + 1058267731.

It is an arithmetic number, because the mean of its divisors is an integer number (1058267731).

Almost surely, 2^2116535461 is an apocalyptic number.

It is an amenable number.

2116535461 is a deficient number, since it is larger than the sum of its proper divisors (1).

2116535461 is an equidigital number, since it uses as much as digits as its factorization.

2116535461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 34.

The square root of 2116535461 is about 46005.8198601003. The cubic root of 2116535461 is about 1283.9314874094.

The spelling of 2116535461 in words is "two billion, one hundred sixteen million, five hundred thirty-five thousand, four hundred sixty-one".