11217288005 has 48 divisors (see below), whose sum is σ = 17114566464. Its totient is φ = 6979230720.

The previous prime is 11217287993. The next prime is 11217288023. The reversal of 11217288005 is 50088271211.

11217288005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11217288005 - 2⁴ = 11217287989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 1513589 + ... + 1520981.

It is an arithmetic number, because the mean of its divisors is an integer number (356553468).

Almost surely, 2^11217288005 is an apocalyptic number.

It is an amenable number.

11217288005 is a deficient number, since it is larger than the sum of its proper divisors (5897278459).

11217288005 is a wasteful number, since it uses less digits than its factorization.

11217288005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7986 (or 7979 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 35.

The spelling of 11217288005 in words is "eleven billion, two hundred seventeen million, two hundred eighty-eight thousand, five".