7161107389109 has 2 divisors, whose sum is σ = 7161107389110. Its totient is φ = 7161107389108.

The previous prime is 7161107389099. The next prime is 7161107389129. The reversal of 7161107389109 is 9019837011617.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7081171136209 + 79936252900 = 2661047^2 + 282730^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7161107389109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7161107389129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580553694554 + 3580553694555.

It is an arithmetic number, because the mean of its divisors is an integer number (3580553694555).

Almost surely, 2^{7161107389109} is an apocalyptic number.

It is an amenable number.

7161107389109 is a deficient number, since it is larger than the sum of its proper divisors (1).

7161107389109 is an equidigital number, since it uses as much as digits as its factorization.

7161107389109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 53.

The spelling of 7161107389109 in words is "seven trillion, one hundred sixty-one billion, one hundred seven million, three hundred eighty-nine thousand, one hundred nine".