201056506603 has 2 divisors, whose sum is σ = 201056506604. Its totient is φ = 201056506602.

The previous prime is 201056506601. The next prime is 201056506639. The reversal of 201056506603 is 306605650102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 201056506603 - 2¹ = 201056506601 is a prime.

Together with 201056506601, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (201056506601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100528253301 + 100528253302.

It is an arithmetic number, because the mean of its divisors is an integer number (100528253302).

Almost surely, 2^201056506603 is an apocalyptic number.

201056506603 is a deficient number, since it is larger than the sum of its proper divisors (1).

201056506603 is an equidigital number, since it uses as much as digits as its factorization.

201056506603 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 201056506603 in words is "two hundred one billion, fifty-six million, five hundred six thousand, six hundred three".