3611114646509 has 2 divisors, whose sum is σ = 3611114646510. Its totient is φ = 3611114646508.

The previous prime is 3611114646371. The next prime is 3611114646511. The reversal of 3611114646509 is 9056464111163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849999861609 + 1761114784900 = 1360147^2 + 1327070^2 .

It is a cyclic number.

It is not a de Polignac number, because 3611114646509 - 2¹² = 3611114642413 is a prime.

Together with 3611114646511, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3611114646599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1805557323254 + 1805557323255.

It is an arithmetic number, because the mean of its divisors is an integer number (1805557323255).

Almost surely, 2^{3611114646509} is an apocalyptic number.

It is an amenable number.

3611114646509 is a deficient number, since it is larger than the sum of its proper divisors (1).

3611114646509 is an equidigital number, since it uses as much as digits as its factorization.

3611114646509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 3611114646509 in words is "three trillion, six hundred eleven billion, one hundred fourteen million, six hundred forty-six thousand, five hundred nine".