12767520011 has 4 divisors (see below), whose sum is σ = 12782418792. Its totient is φ = 12752621232.

The previous prime is 12767519987. The next prime is 12767520043. The reversal of 12767520011 is 11002576721.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11002576721 = 67 ⋅164217563.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12767520011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12767520011.

It is not an unprimeable number, because it can be changed into a prime (12767520211) 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, 7448105 + ... + 7449818.

It is an arithmetic number, because the mean of its divisors is an integer number (3195604698).

Almost surely, 2^12767520011 is an apocalyptic number.

12767520011 is a deficient number, since it is larger than the sum of its proper divisors (14898781).

12767520011 is an equidigital number, since it uses as much as digits as its factorization.

12767520011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14898780.

The product of its (nonzero) digits is 5880, while the sum is 32.

The spelling of 12767520011 in words is "twelve billion, seven hundred sixty-seven million, five hundred twenty thousand, eleven".