1248305953653 has 20 divisors (see below), whose sum is σ = 2034276370368. Its totient is φ = 756549062280.

The previous prime is 1248305953637. The next prime is 1248305953667. The reversal of 1248305953653 is 3563595038421.

1248305953653 is a `hidden beast` number, since 1 + 2 + 4 + 8 + 3 + 0 + 59 + 536 + 53 = 666.

It is not a de Polignac number, because 1248305953653 - 2⁴ = 1248305953637 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1248305953653.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1248305953603) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 700507501 + ... + 700509282.

Almost surely, 2^{1248305953653} is an apocalyptic number.

It is an amenable number.

1248305953653 is a deficient number, since it is larger than the sum of its proper divisors (785970416715).

1248305953653 is a wasteful number, since it uses less digits than its factorization.

1248305953653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1401016806 (or 1401016797 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 54.

The spelling of 1248305953653 in words is "one trillion, two hundred forty-eight billion, three hundred five million, nine hundred fifty-three thousand, six hundred fifty-three".