12481375615 has 16 divisors (see below), whose sum is σ = 15885072576. Its totient is φ = 9394387200.

The previous prime is 12481375573. The next prime is 12481375619. The reversal of 12481375615 is 51657318421.

It is a de Polignac number, because none of the positive numbers 2^k-12481375615 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 (12481375619) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 882606 + ... + 896635.

It is an arithmetic number, because the mean of its divisors is an integer number (992817036).

Almost surely, 2^12481375615 is an apocalyptic number.

12481375615 is a deficient number, since it is larger than the sum of its proper divisors (3403696961).

12481375615 is a wasteful number, since it uses less digits than its factorization.

12481375615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779330.

The product of its digits is 201600, while the sum is 43.

The spelling of 12481375615 in words is "twelve billion, four hundred eighty-one million, three hundred seventy-five thousand, six hundred fifteen".