13355444552331 has 32 divisors (see below), whose sum is σ = 20363244966400. Its totient is φ = 7627149319680.

The previous prime is 13355444552299. The next prime is 13355444552347. The reversal of 13355444552331 is 13325544455331.

It is a happy number.

It is not a de Polignac number, because 13355444552331 - 2⁵ = 13355444552299 is a prime.

It is a super-2 number, since 2×13355444552331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13355444551331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473264340 + ... + 473292558.

It is an arithmetic number, because the mean of its divisors is an integer number (636351405200).

Almost surely, 2^{13355444552331} is an apocalyptic number.

13355444552331 is a deficient number, since it is larger than the sum of its proper divisors (7007800414069).

13355444552331 is a wasteful number, since it uses less digits than its factorization.

13355444552331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40819.

The product of its digits is 6480000, while the sum is 48.

The spelling of 13355444552331 in words is "thirteen trillion, three hundred fifty-five billion, four hundred forty-four million, five hundred fifty-two thousand, three hundred thirty-one".