12611410544866 has 16 divisors (see below), whose sum is σ = 21650848303680. Its totient is φ = 5397068391120.

The previous prime is 12611410544779. The next prime is 12611410544867. The reversal of 12611410544866 is 66844501411621.

It is not an unprimeable number, because it can be changed into a prime (12611410544867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 651810181 + ... + 651829528.

It is an arithmetic number, because the mean of its divisors is an integer number (1353178018980).

Almost surely, 2^{12611410544866} is an apocalyptic number.

12611410544866 is a deficient number, since it is larger than the sum of its proper divisors (9039437758814).

12611410544866 is a wasteful number, since it uses less digits than its factorization.

12611410544866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303640409.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 12611410544866 in words is "twelve trillion, six hundred eleven billion, four hundred ten million, five hundred forty-four thousand, eight hundred sixty-six".