12911392546 has 16 divisors (see below), whose sum is σ = 20892420864. Its totient is φ = 5948945424.

The previous prime is 12911392519. The next prime is 12911392547. The reversal of 12911392546 is 64529311921.

It is not an unprimeable number, because it can be changed into a prime (12911392547) 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 7 ways as a sum of consecutive naturals, for example, 407730 + ... + 438253.

It is an arithmetic number, because the mean of its divisors is an integer number (1305776304).

Almost surely, 2^12911392546 is an apocalyptic number.

12911392546 is a deficient number, since it is larger than the sum of its proper divisors (7981028318).

12911392546 is a wasteful number, since it uses less digits than its factorization.

12911392546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 846585.

The product of its digits is 116640, while the sum is 43.

The spelling of 12911392546 in words is "twelve billion, nine hundred eleven million, three hundred ninety-two thousand, five hundred forty-six".