10995521396729 has 4 divisors (see below), whose sum is σ = 11062978583376. Its totient is φ = 10928064210084.

The previous prime is 10995521396711. The next prime is 10995521396731. The reversal of 10995521396729 is 92769312559901.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10995521396729 - 2²⁴ = 10995504619513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10995521399729) by changing a digit.

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, 33728593079 + ... + 33728593404.

It is an arithmetic number, because the mean of its divisors is an integer number (2765744645844).

Almost surely, 2^{10995521396729} is an apocalyptic number.

It is an amenable number.

10995521396729 is a deficient number, since it is larger than the sum of its proper divisors (67457186647).

10995521396729 is an equidigital number, since it uses as much as digits as its factorization.

10995521396729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67457186646.

The product of its (nonzero) digits is 82668600, while the sum is 68.

The spelling of 10995521396729 in words is "ten trillion, nine hundred ninety-five billion, five hundred twenty-one million, three hundred ninety-six thousand, seven hundred twenty-nine".