7107105557 has 4 divisors (see below), whose sum is σ = 7107317100. Its totient is φ = 7106894016.

The previous prime is 7107105541. The next prime is 7107105563. The reversal of 7107105557 is 7555017017.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7555017017 = 13249 ⋅570233.

It can be written as a sum of positive squares in 2 ways, for example, as 4655469361 + 2451636196 = 68231^2 + 49514^2 .

It is a cyclic number.

It is not a de Polignac number, because 7107105557 - 2⁴ = 7107105541 is a prime.

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 7107105557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7107105587) 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 3 ways as a sum of consecutive naturals, for example, 42932 + ... + 126717.

It is an arithmetic number, because the mean of its divisors is an integer number (1776829275).

Almost surely, 2^7107105557 is an apocalyptic number.

It is an amenable number.

7107105557 is a deficient number, since it is larger than the sum of its proper divisors (211543).

7107105557 is a wasteful number, since it uses less digits than its factorization.

7107105557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211542.

The product of its (nonzero) digits is 42875, while the sum is 38.

The square root of 7107105557 is about 84303.6509114522. The cubic root of 7107105557 is about 1922.6382962185.

The spelling of 7107105557 in words is "seven billion, one hundred seven million, one hundred five thousand, five hundred fifty-seven".