12506566351411 has 12 divisors (see below), whose sum is σ = 14039373944736. Its totient is φ = 11127699263120.

The previous prime is 12506566351397. The next prime is 12506566351493. The reversal of 12506566351411 is 11415366560521.

It is not a de Polignac number, because 12506566351411 - 2⁷ = 12506566351283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12506566351211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1099569340 + ... + 1099580713.

It is an arithmetic number, because the mean of its divisors is an integer number (1169947828728).

Almost surely, 2^{12506566351411} is an apocalyptic number.

12506566351411 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12506566351411 is a deficient number, since it is larger than the sum of its proper divisors (1532807593325).

12506566351411 is a wasteful number, since it uses less digits than its factorization.

12506566351411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2199150122 (or 2199150111 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 46.

It can be divided in two parts, 1250656 and 6351411, that added together give a palindrome (7602067).

The spelling of 12506566351411 in words is "twelve trillion, five hundred six billion, five hundred sixty-six million, three hundred fifty-one thousand, four hundred eleven".