12505503150 has 108 divisors (see below), whose sum is σ = 39083594472. Its totient is φ = 2858395680.

The previous prime is 12505503149. The next prime is 12505503151. The reversal of 12505503150 is 5130550521.

12505503150 is a `hidden beast` number, since 1 + 2 + 5 + 0 + 5 + 503 + 150 = 666.

It is an interprime number because it is at equal distance from previous prime (12505503149) and next prime (12505503151).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12505503151) by changing a digit.

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 53 ways as a sum of consecutive naturals, for example, 261522 + ... + 305621.

It is an arithmetic number, because the mean of its divisors is an integer number (361885134).

Almost surely, 2^12505503150 is an apocalyptic number.

12505503150 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12505503150 is an abundant number, since it is smaller than the sum of its proper divisors (26578091322).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12505503150 is a wasteful number, since it uses less digits than its factorization.

12505503150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567175 (or 567160 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The spelling of 12505503150 in words is "twelve billion, five hundred five million, five hundred three thousand, one hundred fifty".