12501505241 has 4 divisors (see below), whose sum is σ = 12502299300. Its totient is φ = 12500711184.

The previous prime is 12501505207. The next prime is 12501505243. The reversal of 12501505241 is 14250510521.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5381689600 + 7119815641 = 73360^2 + 84379^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12501505241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12501505241.

It is not an unprimeable number, because it can be changed into a prime (12501505243) 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, 372926 + ... + 405063.

It is an arithmetic number, because the mean of its divisors is an integer number (3125574825).

Almost surely, 2^12501505241 is an apocalyptic number.

It is an amenable number.

12501505241 is a deficient number, since it is larger than the sum of its proper divisors (794059).

12501505241 is an equidigital number, since it uses as much as digits as its factorization.

12501505241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794058.

The product of its (nonzero) digits is 2000, while the sum is 26.

The spelling of 12501505241 in words is "twelve billion, five hundred one million, five hundred five thousand, two hundred forty-one".