11281298523 has 8 divisors (see below), whose sum is σ = 16409161536. Its totient is φ = 6837150600.

The previous prime is 11281298521. The next prime is 11281298527. The reversal of 11281298523 is 32589218211.

11281298523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11281298523 - 2¹ = 11281298521 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (11281298521) 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 7 ways as a sum of consecutive naturals, for example, 170928733 + ... + 170928798.

It is an arithmetic number, because the mean of its divisors is an integer number (2051145192).

Almost surely, 2^11281298523 is an apocalyptic number.

11281298523 is a deficient number, since it is larger than the sum of its proper divisors (5127863013).

11281298523 is a wasteful number, since it uses less digits than its factorization.

11281298523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341857545.

The product of its digits is 69120, while the sum is 42.

The spelling of 11281298523 in words is "eleven billion, two hundred eighty-one million, two hundred ninety-eight thousand, five hundred twenty-three".