12611664026 has 16 divisors (see below), whose sum is σ = 20374972800. Its totient is φ = 5820115248.

The previous prime is 12611664011. The next prime is 12611664049. The reversal of 12611664026 is 62046611621.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270635 + ... + 313793.

It is an arithmetic number, because the mean of its divisors is an integer number (1273435800).

Almost surely, 2^12611664026 is an apocalyptic number.

12611664026 is a deficient number, since it is larger than the sum of its proper divisors (7763308774).

12611664026 is a wasteful number, since it uses less digits than its factorization.

12611664026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54413.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 12611664026 in words is "twelve billion, six hundred eleven million, six hundred sixty-four thousand, twenty-six".