7112171215 has 4 divisors (see below), whose sum is σ = 8534605464. Its totient is φ = 5689736968.

The previous prime is 7112171189. The next prime is 7112171263. The reversal of 7112171215 is 5121712117.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5121712117 = 13187 ⋅388391.

It is a cyclic number.

It is not a de Polignac number, because 7112171215 - 2²⁷ = 6977953487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 711217117 + ... + 711217126.

It is an arithmetic number, because the mean of its divisors is an integer number (2133651366).

Almost surely, 2^7112171215 is an apocalyptic number.

7112171215 is a deficient number, since it is larger than the sum of its proper divisors (1422434249).

7112171215 is a wasteful number, since it uses less digits than its factorization.

7112171215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422434248.

The product of its digits is 980, while the sum is 28.

The square root of 7112171215 is about 84333.6896797478. The cubic root of 7112171215 is about 1923.0949807271.

The spelling of 7112171215 in words is "seven billion, one hundred twelve million, one hundred seventy-one thousand, two hundred fifteen".