11472479217 has 12 divisors (see below), whose sum is σ = 16572390900. Its totient is φ = 7647843168.

The previous prime is 11472479197. The next prime is 11472479237. The reversal of 11472479217 is 71297427411.

11472479217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11472479197) and next prime (11472479237).

It can be written as a sum of positive squares in 2 ways, for example, as 1222131681 + 10250347536 = 34959^2 + 101244^2 .

It is not a de Polignac number, because 11472479217 - 2⁷ = 11472479089 is a prime.

It is a super-3 number, since 3×11472479217³ (a number of 31 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (11472479237) 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 11 ways as a sum of consecutive naturals, for example, 172623 + ... + 229659.

It is an arithmetic number, because the mean of its divisors is an integer number (1381032575).

Almost surely, 2^11472479217 is an apocalyptic number.

It is an amenable number.

11472479217 is a deficient number, since it is larger than the sum of its proper divisors (5099911683).

11472479217 is a wasteful number, since it uses less digits than its factorization.

11472479217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79392 (or 79389 counting only the distinct ones).

The product of its digits is 197568, while the sum is 45.

The spelling of 11472479217 in words is "eleven billion, four hundred seventy-two million, four hundred seventy-nine thousand, two hundred seventeen".