1260733956564 has 12 divisors (see below), whose sum is σ = 2941712565344. Its totient is φ = 420244652184.

The previous prime is 1260733956563. The next prime is 1260733956583. The reversal of 1260733956564 is 4656593370621.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1260733956563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52530581512 + ... + 52530581535.

Almost surely, 2^{1260733956564} is an apocalyptic number.

It is an amenable number.

1260733956564 is an abundant number, since it is smaller than the sum of its proper divisors (1680978608780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1260733956564 is a wasteful number, since it uses less digits than its factorization.

1260733956564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105061163054 (or 105061163052 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 57.

The spelling of 1260733956564 in words is "one trillion, two hundred sixty billion, seven hundred thirty-three million, nine hundred fifty-six thousand, five hundred sixty-four".