12757307563 has 48 divisors (see below), whose sum is σ = 17643612672. Its totient is φ = 8951904000.

The previous prime is 12757307561. The next prime is 12757307567. The reversal of 12757307563 is 36570375721.

It is not a de Polignac number, because 12757307563 - 2¹ = 12757307561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12757307561) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 521578 + ... + 545488.

It is an arithmetic number, because the mean of its divisors is an integer number (367575264).

Almost surely, 2^12757307563 is an apocalyptic number.

12757307563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12757307563 is a deficient number, since it is larger than the sum of its proper divisors (4886305109).

12757307563 is a wasteful number, since it uses less digits than its factorization.

12757307563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23996 (or 23983 counting only the distinct ones).

The product of its (nonzero) digits is 926100, while the sum is 46.

The spelling of 12757307563 in words is "twelve billion, seven hundred fifty-seven million, three hundred seven thousand, five hundred sixty-three".