201095545601 has 2 divisors, whose sum is σ = 201095545602. Its totient is φ = 201095545600.

The previous prime is 201095545589. The next prime is 201095545603. The reversal of 201095545601 is 106545590102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 185713593025 + 15381952576 = 430945^2 + 124024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201095545601 is a prime.

Together with 201095545603, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201095545603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100547772800 + 100547772801.

It is an arithmetic number, because the mean of its divisors is an integer number (100547772801).

Almost surely, 2^201095545601 is an apocalyptic number.

It is an amenable number.

201095545601 is a deficient number, since it is larger than the sum of its proper divisors (1).

201095545601 is an equidigital number, since it uses as much as digits as its factorization.

201095545601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 38.

The spelling of 201095545601 in words is "two hundred one billion, ninety-five million, five hundred forty-five thousand, six hundred one".