12641216115 has 64 divisors (see below), whose sum is σ = 23261478912. Its totient is φ = 5805052800.

The previous prime is 12641216069. The next prime is 12641216117. The reversal of 12641216115 is 51161214621.

It is not a de Polignac number, because 12641216115 - 2⁶ = 12641216051 is a prime.

It is a super-2 number, since 2×12641216115² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12641216117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214114 + ... + 266696.

It is an arithmetic number, because the mean of its divisors is an integer number (363460608).

Almost surely, 2^12641216115 is an apocalyptic number.

12641216115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12641216115 is a deficient number, since it is larger than the sum of its proper divisors (10620262797).

12641216115 is a wasteful number, since it uses less digits than its factorization.

12641216115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52680.

The product of its digits is 2880, while the sum is 30.

The spelling of 12641216115 in words is "twelve billion, six hundred forty-one million, two hundred sixteen thousand, one hundred fifteen".