201011017807903 has 2 divisors, whose sum is σ = 201011017807904. Its totient is φ = 201011017807902.

The previous prime is 201011017807877. The next prime is 201011017807909. The reversal of 201011017807903 is 309708710110102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201011017807903 - 2⁴¹ = 198811994552351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201011017807909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100505508903951 + 100505508903952.

It is an arithmetic number, because the mean of its divisors is an integer number (100505508903952).

Almost surely, 2^{201011017807903} is an apocalyptic number.

201011017807903 is a deficient number, since it is larger than the sum of its proper divisors (1).

201011017807903 is an equidigital number, since it uses as much as digits as its factorization.

201011017807903 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 40.

The spelling of 201011017807903 in words is "two hundred one trillion, eleven billion, seventeen million, eight hundred seven thousand, nine hundred three".