12311503503 has 16 divisors (see below), whose sum is σ = 18446668800. Its totient is φ = 7246904544.

The previous prime is 12311503489. The next prime is 12311503517. The reversal of 12311503503 is 30530511321.

It is an interprime number because it is at equal distance from previous prime (12311503489) and next prime (12311503517).

It is not a de Polignac number, because 12311503503 - 2¹⁴ = 12311487119 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311503573) 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 15 ways as a sum of consecutive naturals, for example, 6861703 + ... + 6863496.

It is an arithmetic number, because the mean of its divisors is an integer number (1152916800).

Almost surely, 2^12311503503 is an apocalyptic number.

12311503503 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12311503503 is a deficient number, since it is larger than the sum of its proper divisors (6135165297).

12311503503 is a wasteful number, since it uses less digits than its factorization.

12311503503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13725238.

The product of its (nonzero) digits is 1350, while the sum is 24.

The spelling of 12311503503 in words is "twelve billion, three hundred eleven million, five hundred three thousand, five hundred three".