11471720026 has 8 divisors (see below), whose sum is σ = 18531240084. Its totient is φ = 5294640000.

The previous prime is 11471720023. The next prime is 11471720033. The reversal of 11471720026 is 62002717411.

11471720026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10743529801 + 728190225 = 103651^2 + 26985^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 11471720026.

It is not an unprimeable number, because it can be changed into a prime (11471720021) 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 3 ways as a sum of consecutive naturals, for example, 220609975 + ... + 220610026.

Almost surely, 2^11471720026 is an apocalyptic number.

11471720026 is a deficient number, since it is larger than the sum of its proper divisors (7059520058).

11471720026 is a wasteful number, since it uses less digits than its factorization.

11471720026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441220016.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 11471720026 in words is "eleven billion, four hundred seventy-one million, seven hundred twenty thousand, twenty-six".