20355141532311 has 12 divisors (see below), whose sum is σ = 29425639809592. Its totient is φ = 13559124182256.

The previous prime is 20355141532303. The next prime is 20355141532331. The reversal of 20355141532311 is 11323514155302.

It is a happy number.

20355141532311 is a `hidden beast` number, since 2 + 0 + 3 + 5 + 5 + 1 + 415 + 3 + 231 + 1 = 666.

It is not a de Polignac number, because 20355141532311 - 2³ = 20355141532303 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 (20355141532331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 914169301 + ... + 914191566.

Almost surely, 2^{20355141532311} is an apocalyptic number.

20355141532311 is a deficient number, since it is larger than the sum of its proper divisors (9070498277281).

20355141532311 is a wasteful number, since it uses less digits than its factorization.

20355141532311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1828362110 (or 1828362107 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 36.

Adding to 20355141532311 its reverse (11323514155302), we get a palindrome (31678655687613).

The spelling of 20355141532311 in words is "twenty trillion, three hundred fifty-five billion, one hundred forty-one million, five hundred thirty-two thousand, three hundred eleven".