12645711117184 has 32 divisors (see below), whose sum is σ = 25208017543800. Its totient is φ = 6318992988672.

The previous prime is 12645711117181. The next prime is 12645711117199. The reversal of 12645711117184 is 48171111754621.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12645711117181) 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, 29965974 + ... + 30385045.

Almost surely, 2^{12645711117184} is an apocalyptic number.

It is an amenable number.

12645711117184 is a deficient number, since it is larger than the sum of its proper divisors (12562306426616).

12645711117184 is an equidigital number, since it uses as much as digits as its factorization.

12645711117184 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60352670 (or 60352658 counting only the distinct ones).

The product of its digits is 376320, while the sum is 49.

The spelling of 12645711117184 in words is "twelve trillion, six hundred forty-five billion, seven hundred eleven million, one hundred seventeen thousand, one hundred eighty-four".