201050561441 has 2 divisors, whose sum is σ = 201050561442. Its totient is φ = 201050561440.

The previous prime is 201050561419. The next prime is 201050561447. The reversal of 201050561441 is 144165050102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199001641216 + 2048920225 = 446096^2 + 45265^2 .

It is a cyclic number.

It is not a de Polignac number, because 201050561441 - 2²⁶ = 200983452577 is a prime.

It is not a weakly prime, because it can be changed into another prime (201050561447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100525280720 + 100525280721.

It is an arithmetic number, because the mean of its divisors is an integer number (100525280721).

Almost surely, 2^201050561441 is an apocalyptic number.

It is an amenable number.

201050561441 is a deficient number, since it is larger than the sum of its proper divisors (1).

201050561441 is an equidigital number, since it uses as much as digits as its factorization.

201050561441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4800, while the sum is 29.

The spelling of 201050561441 in words is "two hundred one billion, fifty million, five hundred sixty-one thousand, four hundred forty-one".