12411776705 has 4 divisors (see below), whose sum is σ = 14894132052. Its totient is φ = 9929421360.

The previous prime is 12411776693. The next prime is 12411776711. The reversal of 12411776705 is 50767711421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50767711421 = 7 ⋅7252530203.

It can be written as a sum of positive squares in 2 ways, for example, as 4696086784 + 7715689921 = 68528^2 + 87839^2 .

It is not a de Polignac number, because 12411776705 - 2³⁰ = 11338034881 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1241177666 + ... + 1241177675.

It is an arithmetic number, because the mean of its divisors is an integer number (3723533013).

Almost surely, 2^12411776705 is an apocalyptic number.

It is an amenable number.

12411776705 is a deficient number, since it is larger than the sum of its proper divisors (2482355347).

12411776705 is an equidigital number, since it uses as much as digits as its factorization.

12411776705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2482355346.

The product of its (nonzero) digits is 82320, while the sum is 41.

The spelling of 12411776705 in words is "twelve billion, four hundred eleven million, seven hundred seventy-six thousand, seven hundred five".