12541076691 has 32 divisors (see below), whose sum is σ = 20278487040. Its totient is φ = 6789657600.

The previous prime is 12541076659. The next prime is 12541076701. The reversal of 12541076691 is 19667014521.

12541076691 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12541076691 - 2⁵ = 12541076659 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12541076591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 458206 + ... + 484803.

It is an arithmetic number, because the mean of its divisors is an integer number (633702720).

Almost surely, 2^12541076691 is an apocalyptic number.

12541076691 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12541076691 is a deficient number, since it is larger than the sum of its proper divisors (7737410349).

12541076691 is a wasteful number, since it uses less digits than its factorization.

12541076691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 943067.

The product of its (nonzero) digits is 90720, while the sum is 42.

The spelling of 12541076691 in words is "twelve billion, five hundred forty-one million, seventy-six thousand, six hundred ninety-one".