618205380711 has 12 divisors (see below), whose sum is σ = 829062451368. Its totient is φ = 409742753664.

The previous prime is 618205380691. The next prime is 618205380739. The reversal of 618205380711 is 117083502816.

It is not a de Polignac number, because 618205380711 - 2¹⁸ = 618205118567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (618205380761) 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 in 11 ways as a sum of consecutive naturals, for example, 17894991 + ... + 17929503.

It is an arithmetic number, because the mean of its divisors is an integer number (69088537614).

Almost surely, 2^618205380711 is an apocalyptic number.

618205380711 is a deficient number, since it is larger than the sum of its proper divisors (210857070657).

618205380711 is an frugal number, since it uses more digits than its factorization.

618205380711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69202 (or 34689 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The spelling of 618205380711 in words is "six hundred eighteen billion, two hundred five million, three hundred eighty thousand, seven hundred eleven".