11956864026 has 8 divisors (see below), whose sum is σ = 23913728064. Its totient is φ = 3985621340.

The previous prime is 11956864013. The next prime is 11956864057. The reversal of 11956864026 is 62046865911.

It is a sphenic number, since it is the product of 3 distinct primes.

11956864026 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 996405330 + ... + 996405341.

It is an arithmetic number, because the mean of its divisors is an integer number (2989216008).

Almost surely, 2^11956864026 is an apocalyptic number.

11956864026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11956864026 is a wasteful number, since it uses less digits than its factorization.

11956864026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1992810676.

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 11956864026 in words is "eleven billion, nine hundred fifty-six million, eight hundred sixty-four thousand, twenty-six".