207195455113 has 2 divisors, whose sum is σ = 207195455114. Its totient is φ = 207195455112.

The previous prime is 207195455059. The next prime is 207195455119. The reversal of 207195455113 is 311554591702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110721231504 + 96474223609 = 332748^2 + 310603^2 .

It is a cyclic number.

It is not a de Polignac number, because 207195455113 - 2⁹ = 207195454601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 207195455113.

It is not a weakly prime, because it can be changed into another prime (207195455119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103597727556 + 103597727557.

It is an arithmetic number, because the mean of its divisors is an integer number (103597727557).

Almost surely, 2^207195455113 is an apocalyptic number.

It is an amenable number.

207195455113 is a deficient number, since it is larger than the sum of its proper divisors (1).

207195455113 is an equidigital number, since it uses as much as digits as its factorization.

207195455113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 189000, while the sum is 43.

The spelling of 207195455113 in words is "two hundred seven billion, one hundred ninety-five million, four hundred fifty-five thousand, one hundred thirteen".