12605053520643 has 16 divisors (see below), whose sum is σ = 16846423013376. Its totient is φ = 8383528120320.

The previous prime is 12605053520641. The next prime is 12605053520699. The reversal of 12605053520643 is 34602535050621.

It is a happy number.

It is not a de Polignac number, because 12605053520643 - 2¹ = 12605053520641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12605053520595 and 12605053520604.

It is not an unprimeable number, because it can be changed into a prime (12605053520641) 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, 33577446 + ... + 33950772.

It is an arithmetic number, because the mean of its divisors is an integer number (1052901438336).

Almost surely, 2^{12605053520643} is an apocalyptic number.

12605053520643 is a deficient number, since it is larger than the sum of its proper divisors (4241369492733).

12605053520643 is a wasteful number, since it uses less digits than its factorization.

12605053520643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399874.

The product of its (nonzero) digits is 648000, while the sum is 42.

The spelling of 12605053520643 in words is "twelve trillion, six hundred five billion, fifty-three million, five hundred twenty thousand, six hundred forty-three".