12505750803 has 24 divisors (see below), whose sum is σ = 22232447328. Its totient is φ = 6596439552.

The previous prime is 12505750801. The next prime is 12505750819. The reversal of 12505750803 is 30805750521.

12505750803 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 575 + 0 + 80 + 3 = 666.

It is not a de Polignac number, because 12505750803 - 2¹ = 12505750801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12505750801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7633950 + ... + 7635587.

It is an arithmetic number, because the mean of its divisors is an integer number (926351972).

Almost surely, 2^12505750803 is an apocalyptic number.

12505750803 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12505750803 is a deficient number, since it is larger than the sum of its proper divisors (9726696525).

12505750803 is a wasteful number, since it uses less digits than its factorization.

12505750803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15269563 (or 15269560 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 12505750803 in words is "twelve billion, five hundred five million, seven hundred fifty thousand, eight hundred three".