1263762501325 has 12 divisors (see below), whose sum is σ = 1567081391220. Its totient is φ = 1010999749760.

The previous prime is 1263762501319. The next prime is 1263762501349. The reversal of 1263762501325 is 5231052673621.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 271479555369 + 992282945956 = 521037^2 + 996134^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1263762501325 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3142281 + ... + 3521569.

It is an arithmetic number, because the mean of its divisors is an integer number (130590115935).

Almost surely, 2^{1263762501325} is an apocalyptic number.

It is an amenable number.

1263762501325 is a deficient number, since it is larger than the sum of its proper divisors (303318889895).

1263762501325 is a wasteful number, since it uses less digits than its factorization.

1263762501325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512576 (or 512571 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 1263762501325 in words is "one trillion, two hundred sixty-three billion, seven hundred sixty-two million, five hundred one thousand, three hundred twenty-five".