11217230072 has 8 divisors (see below), whose sum is σ = 21032306400. Its totient is φ = 5608615032.

The previous prime is 11217230053. The next prime is 11217230093. The reversal of 11217230072 is 27003271211.

11217230072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×11217230072² (a number of 21 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 701076872 + ... + 701076887.

It is an arithmetic number, because the mean of its divisors is an integer number (2629038300).

Almost surely, 2^11217230072 is an apocalyptic number.

It is an amenable number.

11217230072 is a deficient number, since it is larger than the sum of its proper divisors (9815076328).

11217230072 is a wasteful number, since it uses less digits than its factorization.

11217230072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402153765 (or 1402153761 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 26.

The spelling of 11217230072 in words is "eleven billion, two hundred seventeen million, two hundred thirty thousand, seventy-two".