1263012500513 has 8 divisors (see below), whose sum is σ = 1282115466240. Its totient is φ = 1244052628560.

The previous prime is 1263012500443. The next prime is 1263012500543. The reversal of 1263012500513 is 3150052103621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1263012500513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1263012500543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35755658 + ... + 35790963.

It is an arithmetic number, because the mean of its divisors is an integer number (160264433280).

Almost surely, 2^{1263012500513} is an apocalyptic number.

It is an amenable number.

1263012500513 is a deficient number, since it is larger than the sum of its proper divisors (19102965727).

1263012500513 is a wasteful number, since it uses less digits than its factorization.

1263012500513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71546887.

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 1263012500513 in words is "one trillion, two hundred sixty-three billion, twelve million, five hundred thousand, five hundred thirteen".