12635305240663 has 16 divisors (see below), whose sum is σ = 14623424202240. Its totient is φ = 10693117534176.

The previous prime is 12635305240639. The next prime is 12635305240687. The reversal of 12635305240663 is 36604250353621.

It is an interprime number because it is at equal distance from previous prime (12635305240639) and next prime (12635305240687).

It is not a de Polignac number, because 12635305240663 - 2¹⁷ = 12635305109591 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12635305240963) 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, 5832828 + ... + 7700161.

It is an arithmetic number, because the mean of its divisors is an integer number (913964012640).

Almost surely, 2^{12635305240663} is an apocalyptic number.

12635305240663 is a deficient number, since it is larger than the sum of its proper divisors (1988118961577).

12635305240663 is a wasteful number, since it uses less digits than its factorization.

12635305240663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13534686.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 12635305240663 in words is "twelve trillion, six hundred thirty-five billion, three hundred five million, two hundred forty thousand, six hundred sixty-three".