12911258466 has 32 divisors (see below), whose sum is σ = 28703566080. Its totient is φ = 4301970768.

The previous prime is 12911258453. The next prime is 12911258467. The reversal of 12911258466 is 66485211921.

12911258466 is a `hidden beast` number, since 1 + 2 + 9 + 1 + 1 + 2 + 584 + 66 = 666.

It is not an unprimeable number, because it can be changed into a prime (12911258467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85495 + ... + 182021.

It is an arithmetic number, because the mean of its divisors is an integer number (896986440).

Almost surely, 2^12911258466 is an apocalyptic number.

12911258466 is an abundant number, since it is smaller than the sum of its proper divisors (15792307614).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12911258466 is a wasteful number, since it uses less digits than its factorization.

12911258466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99015 (or 99009 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

It can be divided in two parts, 129112 and 58466, that added together give a triangular number (187578 = T₆₁₂).

The spelling of 12911258466 in words is "twelve billion, nine hundred eleven million, two hundred fifty-eight thousand, four hundred sixty-six".