1263041656352 has 48 divisors (see below), whose sum is σ = 2965402161792. Its totient is φ = 517768627200.

The previous prime is 1263041656339. The next prime is 1263041656417. The reversal of 1263041656352 is 2536561403621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122572649 + ... + 122582952.

It is an arithmetic number, because the mean of its divisors is an integer number (61779211704).

Almost surely, 2^{1263041656352} is an apocalyptic number.

It is an amenable number.

1263041656352 is an abundant number, since it is smaller than the sum of its proper divisors (1702360505440).

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

1263041656352 is a wasteful number, since it uses less digits than its factorization.

1263041656352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245155641 (or 245155633 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 1263041656352 in words is "one trillion, two hundred sixty-three billion, forty-one million, six hundred fifty-six thousand, three hundred fifty-two".