12115364503 has 4 divisors (see below), whose sum is σ = 13216761288. Its totient is φ = 11013967720.

The previous prime is 12115364473. The next prime is 12115364507. The reversal of 12115364503 is 30546351121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12115364503 - 2²¹ = 12113267351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12115364507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550698376 + ... + 550698397.

It is an arithmetic number, because the mean of its divisors is an integer number (3304190322).

Almost surely, 2^12115364503 is an apocalyptic number.

12115364503 is a deficient number, since it is larger than the sum of its proper divisors (1101396785).

12115364503 is a wasteful number, since it uses less digits than its factorization.

12115364503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101396784.

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 12115364503 in words is "twelve billion, one hundred fifteen million, three hundred sixty-four thousand, five hundred three".