201145326241361 has 4 divisors (see below), whose sum is σ = 201464098549824. Its totient is φ = 200826553932900.

The previous prime is 201145326241351. The next prime is 201145326241421. The reversal of 201145326241361 is 163142623541102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 201145326241361 - 2²² = 201145322047057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201145326241351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159386153285 + ... + 159386154546.

It is an arithmetic number, because the mean of its divisors is an integer number (50366024637456).

Almost surely, 2^{201145326241361} is an apocalyptic number.

It is an amenable number.

201145326241361 is a deficient number, since it is larger than the sum of its proper divisors (318772308463).

201145326241361 is an equidigital number, since it uses as much as digits as its factorization.

201145326241361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318772308462.

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 201145326241361 its reverse (163142623541102), we get a palindrome (364287949782463).

The spelling of 201145326241361 in words is "two hundred one trillion, one hundred forty-five billion, three hundred twenty-six million, two hundred forty-one thousand, three hundred sixty-one".