201180379975717 has 2 divisors, whose sum is σ = 201180379975718. Its totient is φ = 201180379975716.

The previous prime is 201180379975583. The next prime is 201180379975727. The reversal of 201180379975717 is 717579973081102.

201180379975717 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 200531825177476 + 648554798241 = 14160926^2 + 805329^2 .

It is a cyclic number.

It is not a de Polignac number, because 201180379975717 - 2²³ = 201180371587109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201180379975727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100590189987858 + 100590189987859.

It is an arithmetic number, because the mean of its divisors is an integer number (100590189987859).

Almost surely, 2^{201180379975717} is an apocalyptic number.

It is an amenable number.

201180379975717 is a deficient number, since it is larger than the sum of its proper divisors (1).

201180379975717 is an equidigital number, since it uses as much as digits as its factorization.

201180379975717 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46675440, while the sum is 67.

The spelling of 201180379975717 in words is "two hundred one trillion, one hundred eighty billion, three hundred seventy-nine million, nine hundred seventy-five thousand, seven hundred seventeen".