21133435300541 has 8 divisors (see below), whose sum is σ = 23349473273664. Its totient is φ = 19025496740800.

The previous prime is 21133435300477. The next prime is 21133435300561. The reversal of 21133435300541 is 14500353433112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21133435300541 - 2⁶ = 21133435300477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21133435300561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27024852935 + ... + 27024853716.

It is an arithmetic number, because the mean of its divisors is an integer number (2918684159208).

Almost surely, 2^{21133435300541} is an apocalyptic number.

It is an amenable number.

21133435300541 is a deficient number, since it is larger than the sum of its proper divisors (2216037973123).

21133435300541 is a wasteful number, since it uses less digits than its factorization.

21133435300541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54049706691.

The product of its (nonzero) digits is 64800, while the sum is 35.

Adding to 21133435300541 its reverse (14500353433112), we get a palindrome (35633788733653).

The spelling of 21133435300541 in words is "twenty-one trillion, one hundred thirty-three billion, four hundred thirty-five million, three hundred thousand, five hundred forty-one".