12361040266645 has 16 divisors (see below), whose sum is σ = 17949476959488. Its totient is φ = 7977545314560.

The previous prime is 12361040266643. The next prime is 12361040266709. The reversal of 12361040266645 is 54666204016321.

It is not a de Polignac number, because 12361040266645 - 2¹ = 12361040266643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12361040266595 and 12361040266604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12361040266643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10387428201 + ... + 10387429390.

It is an arithmetic number, because the mean of its divisors is an integer number (1121842309968).

Almost surely, 2^{12361040266645} is an apocalyptic number.

It is an amenable number.

12361040266645 is a deficient number, since it is larger than the sum of its proper divisors (5588436692843).

12361040266645 is a wasteful number, since it uses less digits than its factorization.

12361040266645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20774857620.

The product of its (nonzero) digits is 1244160, while the sum is 46.

The spelling of 12361040266645 in words is "twelve trillion, three hundred sixty-one billion, forty million, two hundred sixty-six thousand, six hundred forty-five".