7161112217 has 16 divisors (see below), whose sum is σ = 8639754240. Its totient is φ = 5798243088.

The previous prime is 7161112207. The next prime is 7161112223. The reversal of 7161112217 is 7122111617.

It is a cyclic number.

It is not a de Polignac number, because 7161112217 - 2¹⁰ = 7161111193 is a prime.

It is a super-3 number, since 3×7161112217³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7161112217.

It is not an unprimeable number, because it can be changed into a prime (7161112207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31433 + ... + 123734.

It is an arithmetic number, because the mean of its divisors is an integer number (539984640).

Almost surely, 2^7161112217 is an apocalyptic number.

It is an amenable number.

7161112217 is a deficient number, since it is larger than the sum of its proper divisors (1478642023).

7161112217 is a wasteful number, since it uses less digits than its factorization.

7161112217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155540.

The product of its digits is 1176, while the sum is 29.

The square root of 7161112217 is about 84623.3550327568. The cubic root of 7161112217 is about 1927.4960339240.

The spelling of 7161112217 in words is "seven billion, one hundred sixty-one million, one hundred twelve thousand, two hundred seventeen".