7117115105 has 4 divisors (see below), whose sum is σ = 8540538132. Its totient is φ = 5693692080.

The previous prime is 7117115081. The next prime is 7117115143. The reversal of 7117115105 is 5015117117.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2131484224 + 4985630881 = 46168^2 + 70609^2 .

It is not a de Polignac number, because 7117115105 - 2¹⁴ = 7117098721 is a prime.

It is a super-2 number, since 2×7117115105² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon 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, 711711506 + ... + 711711515.

It is an arithmetic number, because the mean of its divisors is an integer number (2135134533).

Almost surely, 2^7117115105 is an apocalyptic number.

It is an amenable number.

7117115105 is a deficient number, since it is larger than the sum of its proper divisors (1423423027).

7117115105 is a wasteful number, since it uses less digits than its factorization.

7117115105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1423423026.

The product of its (nonzero) digits is 1225, while the sum is 29.

The square root of 7117115105 is about 84362.9960646254. The cubic root of 7117115105 is about 1923.5404784335.

The spelling of 7117115105 in words is "seven billion, one hundred seventeen million, one hundred fifteen thousand, one hundred five".