26566151212 has 12 divisors (see below), whose sum is σ = 46492770240. Its totient is φ = 13282502576.

The previous prime is 26566151147. The next prime is 26566151231. The reversal of 26566151212 is 21215166562.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28783 + ... + 232294.

It is an arithmetic number, because the mean of its divisors is an integer number (3874397520).

Almost surely, 2^26566151212 is an apocalyptic number.

It is an amenable number.

26566151212 is a deficient number, since it is larger than the sum of its proper divisors (19926619028).

26566151212 is a wasteful number, since it uses less digits than its factorization.

26566151212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286520 (or 286518 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The spelling of 26566151212 in words is "twenty-six billion, five hundred sixty-six million, one hundred fifty-one thousand, two hundred twelve".