611115616652113 has 2 divisors, whose sum is σ = 611115616652114. Its totient is φ = 611115616652112.

The previous prime is 611115616652111. The next prime is 611115616652153. The reversal of 611115616652113 is 311256616511116.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 544004917631569 + 67110699020544 = 23323913^2 + 8192112^2 .

It is a cyclic number.

It is not a de Polignac number, because 611115616652113 - 2¹ = 611115616652111 is a prime.

Together with 611115616652111, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (611115616652111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 305557808326056 + 305557808326057.

It is an arithmetic number, because the mean of its divisors is an integer number (305557808326057).

Almost surely, 2^{611115616652113} is an apocalyptic number.

It is an amenable number.

611115616652113 is a deficient number, since it is larger than the sum of its proper divisors (1).

611115616652113 is an equidigital number, since it uses as much as digits as its factorization.

611115616652113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 46.

The spelling of 611115616652113 in words is "six hundred eleven trillion, one hundred fifteen billion, six hundred sixteen million, six hundred fifty-two thousand, one hundred thirteen".