618102320611 has 2 divisors, whose sum is σ = 618102320612. Its totient is φ = 618102320610.

The previous prime is 618102320587. The next prime is 618102320623. The reversal of 618102320611 is 116023201816.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 618102320611 - 2⁵ = 618102320579 is a prime.

It is not a weakly prime, because it can be changed into another prime (618102320911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 309051160305 + 309051160306.

It is an arithmetic number, because the mean of its divisors is an integer number (309051160306).

Almost surely, 2^618102320611 is an apocalyptic number.

618102320611 is a deficient number, since it is larger than the sum of its proper divisors (1).

618102320611 is an equidigital number, since it uses as much as digits as its factorization.

618102320611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 31.

The spelling of 618102320611 in words is "six hundred eighteen billion, one hundred two million, three hundred twenty thousand, six hundred eleven".