12641441115 has 32 divisors (see below), whose sum is σ = 20316105216. Its totient is φ = 6712231680.

The previous prime is 12641441107. The next prime is 12641441161. The reversal of 12641441115 is 51114414621.

It is not a de Polignac number, because 12641441115 - 2³ = 12641441107 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4799839 + ... + 4802471.

It is an arithmetic number, because the mean of its divisors is an integer number (634878288).

Almost surely, 2^12641441115 is an apocalyptic number.

12641441115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641441115 is a deficient number, since it is larger than the sum of its proper divisors (7674664101).

12641441115 is a wasteful number, since it uses less digits than its factorization.

12641441115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3939.

The product of its digits is 3840, while the sum is 30.

Adding to 12641441115 its reverse (51114414621), we get a palindrome (63755855736).

The spelling of 12641441115 in words is "twelve billion, six hundred forty-one million, four hundred forty-one thousand, one hundred fifteen".