11409517902 has 16 divisors (see below), whose sum is σ = 22821576912. Its totient is φ = 3802749120.

The previous prime is 11409517901. The next prime is 11409517909. The reversal of 11409517902 is 20971590411.

11409517902 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11409517901) 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, 44799 + ... + 157562.

It is an arithmetic number, because the mean of its divisors is an integer number (1426348557).

Almost surely, 2^11409517902 is an apocalyptic number.

11409517902 is an abundant number, since it is smaller than the sum of its proper divisors (11412059010).

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

11409517902 is a wasteful number, since it uses less digits than its factorization.

11409517902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211763.

The product of its (nonzero) digits is 22680, while the sum is 39.

The spelling of 11409517902 in words is "eleven billion, four hundred nine million, five hundred seventeen thousand, nine hundred two".