12980504115787 has 4 divisors (see below), whose sum is σ = 13979004432400. Its totient is φ = 11982003799176.

The previous prime is 12980504115781. The next prime is 12980504115797. The reversal of 12980504115787 is 78751140508921.

12980504115787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12980504115787 - 2⁴³ = 4184411093579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12980504115781) 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, 499250158287 + ... + 499250158312.

It is an arithmetic number, because the mean of its divisors is an integer number (3494751108100).

Almost surely, 2^{12980504115787} is an apocalyptic number.

12980504115787 is a deficient number, since it is larger than the sum of its proper divisors (998500316613).

12980504115787 is an equidigital number, since it uses as much as digits as its factorization.

12980504115787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998500316612.

The product of its (nonzero) digits is 5644800, while the sum is 58.

The spelling of 12980504115787 in words is "twelve trillion, nine hundred eighty billion, five hundred four million, one hundred fifteen thousand, seven hundred eighty-seven".