12503936041 has 3 divisors (see below), whose sum is σ = 12504047863. Its totient is φ = 12503824220.

The previous prime is 12503936017. The next prime is 12503936057. The reversal of 12503936041 is 14063930521.

The square root of 12503936041 is 111821.

It is a perfect power (a square), and thus also a powerful number.

12503936041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14063930521 = 107 ⋅131438603.

It can be written as a sum of positive squares in only one way, i.e., 7288207641 + 5215728400 = 85371^2 + 72220^2 .

It is not a de Polignac number, because 12503936041 - 2¹⁵ = 12503903273 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12503935988 and 12503936006.

It is not an unprimeable number, because it can be changed into a prime (12503436041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 55911 + ... + 167731.

Almost surely, 2^12503936041 is an apocalyptic number.

12503936041 is the 111821-st square number.

12503936041 is the 55911-st centered octagonal number.

It is an amenable number.

12503936041 is a deficient number, since it is larger than the sum of its proper divisors (111822).

12503936041 is an frugal number, since it uses more digits than its factorization.

12503936041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223642 (or 111821 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 12503936041 in words is "twelve billion, five hundred three million, nine hundred thirty-six thousand, forty-one".