201141401643 has 24 divisors (see below), whose sum is σ = 357584715488. Its totient is φ = 106096563072.

The previous prime is 201141401639. The next prime is 201141401651. The reversal of 201141401643 is 346104141102.

201141401643 is a `hidden beast` number, since 2 + 0 + 1 + 1 + 4 + 14 + 0 + 1 + 643 = 666.

It is not a de Polignac number, because 201141401643 - 2² = 201141401639 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201141401603) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 122796130 + ... + 122797767.

Almost surely, 2^201141401643 is an apocalyptic number.

201141401643 is a deficient number, since it is larger than the sum of its proper divisors (156443313845).

201141401643 is a wasteful number, since it uses less digits than its factorization.

201141401643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245593923 (or 245593920 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

Adding to 201141401643 its reverse (346104141102), we get a palindrome (547245542745).

The spelling of 201141401643 in words is "two hundred one billion, one hundred forty-one million, four hundred one thousand, six hundred forty-three".