201264613553 has 2 divisors, whose sum is σ = 201264613554. Its totient is φ = 201264613552.

The previous prime is 201264613549. The next prime is 201264613597. The reversal of 201264613553 is 355316462102.

201264613553 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 185284619809 + 15979993744 = 430447^2 + 126412^2 .

It is a cyclic number.

It is not a de Polignac number, because 201264613553 - 2² = 201264613549 is a prime.

It is not a weakly prime, because it can be changed into another prime (201264619553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100632306776 + 100632306777.

It is an arithmetic number, because the mean of its divisors is an integer number (100632306777).

Almost surely, 2^201264613553 is an apocalyptic number.

It is an amenable number.

201264613553 is a deficient number, since it is larger than the sum of its proper divisors (1).

201264613553 is an equidigital number, since it uses as much as digits as its factorization.

201264613553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 201264613553 in words is "two hundred one billion, two hundred sixty-four million, six hundred thirteen thousand, five hundred fifty-three".