2355332041021 has 4 divisors (see below), whose sum is σ = 2355344408700. Its totient is φ = 2355319673344.

The previous prime is 2355332041001. The next prime is 2355332041039. The reversal of 2355332041021 is 1201402335532.

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 1553859478521 + 801472562500 = 1246539^2 + 895250^2 .

It is a cyclic number.

It is not a de Polignac number, because 2355332041021 - 2²³ = 2355323652413 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 (2355332041001) 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, 5893636 + ... + 6280573.

It is an arithmetic number, because the mean of its divisors is an integer number (588836102175).

Almost surely, 2^{2355332041021} is an apocalyptic number.

It is an amenable number.

2355332041021 is a deficient number, since it is larger than the sum of its proper divisors (12367679).

2355332041021 is a wasteful number, since it uses less digits than its factorization.

2355332041021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367678.

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 2355332041021 its reverse (1201402335532), we get a palindrome (3556734376553).

The spelling of 2355332041021 in words is "two trillion, three hundred fifty-five billion, three hundred thirty-two million, forty-one thousand, twenty-one".