12436741681508 has 48 divisors (see below), whose sum is σ = 22802318394240. Its totient is φ = 5924021266944.

The previous prime is 12436741681487. The next prime is 12436741681561. The reversal of 12436741681508 is 80518614763421.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25114316 + ... + 25604732.

It is an arithmetic number, because the mean of its divisors is an integer number (475048299880).

Almost surely, 2^{12436741681508} is an apocalyptic number.

It is an amenable number.

12436741681508 is a deficient number, since it is larger than the sum of its proper divisors (10365576712732).

12436741681508 is a wasteful number, since it uses less digits than its factorization.

12436741681508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491556 (or 491554 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 12436741681508 in words is "twelve trillion, four hundred thirty-six billion, seven hundred forty-one million, six hundred eighty-one thousand, five hundred eight".