1263343825750 has 32 divisors (see below), whose sum is σ = 2365281696960. Its totient is φ = 505272988800.

The previous prime is 1263343825727. The next prime is 1263343825769. The reversal of 1263343825750 is 575283433621.

It is a junction number, because it is equal to n+sod(n) for n = 1263343825694 and 1263343825703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1663006 + ... + 2300494.

It is an arithmetic number, because the mean of its divisors is an integer number (73915053030).

Almost surely, 2^{1263343825750} is an apocalyptic number.

1263343825750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1263343825750 is a deficient number, since it is larger than the sum of its proper divisors (1101937871210).

1263343825750 is an equidigital number, since it uses as much as digits as its factorization.

1263343825750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 645433 (or 645423 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 1263343825750 in words is "one trillion, two hundred sixty-three billion, three hundred forty-three million, eight hundred twenty-five thousand, seven hundred fifty".