1268811845703 has 36 divisors (see below), whose sum is σ = 1880005411440. Its totient is φ = 824590583040.

The previous prime is 1268811845663. The next prime is 1268811845747. The reversal of 1268811845703 is 3075481188621.

1268811845703 is a `hidden beast` number, since 1 + 2 + 68 + 8 + 1 + 1 + 8 + 4 + 570 + 3 = 666.

It is not a de Polignac number, because 1268811845703 - 2¹⁷ = 1268811714631 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1268811845703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1268811846703) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19468750 + ... + 19533812.

It is an arithmetic number, because the mean of its divisors is an integer number (52222372540).

Almost surely, 2^{1268811845703} is an apocalyptic number.

1268811845703 is a deficient number, since it is larger than the sum of its proper divisors (611193565737).

1268811845703 is a wasteful number, since it uses less digits than its factorization.

1268811845703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66440 (or 66396 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 54.

The spelling of 1268811845703 in words is "one trillion, two hundred sixty-eight billion, eight hundred eleven million, eight hundred forty-five thousand, seven hundred three".