201353056692481 has 4 divisors (see below), whose sum is σ = 201793654191172. Its totient is φ = 200912459193792.

The previous prime is 201353056692421. The next prime is 201353056692523. The reversal of 201353056692481 is 184296650353102.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 95674142691856 + 105678914000625 = 9781316^2 + 10280025^2 .

It is a cyclic number.

It is not a de Polignac number, because 201353056692481 - 2¹⁹ = 201353056168193 is a prime.

It is a super-2 number, since 2×201353056692481² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201353056692401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 220298748660 + ... + 220298749573.

It is an arithmetic number, because the mean of its divisors is an integer number (50448413547793).

Almost surely, 2^{201353056692481} is an apocalyptic number.

It is an amenable number.

201353056692481 is a deficient number, since it is larger than the sum of its proper divisors (440597498691).

201353056692481 is an equidigital number, since it uses as much as digits as its factorization.

201353056692481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 440597498690.

The product of its (nonzero) digits is 9331200, while the sum is 55.

The spelling of 201353056692481 in words is "two hundred one trillion, three hundred fifty-three billion, fifty-six million, six hundred ninety-two thousand, four hundred eighty-one".