133563043231055 has 16 divisors (see below), whose sum is σ = 163372583155104. Its totient is φ = 104795909681280.

The previous prime is 133563043231043. The next prime is 133563043231061. The reversal of 133563043231055 is 550132340365331.

It is not a de Polignac number, because 133563043231055 - 2²⁴ = 133563026453839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133563043230997 and 133563043231015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 630890732 + ... + 631102401.

It is an arithmetic number, because the mean of its divisors is an integer number (10210786447194).

Almost surely, 2^{133563043231055} is an apocalyptic number.

133563043231055 is a deficient number, since it is larger than the sum of its proper divisors (29809539924049).

133563043231055 is a wasteful number, since it uses less digits than its factorization.

133563043231055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261993546.

The product of its (nonzero) digits is 1458000, while the sum is 44.

Adding to 133563043231055 its reverse (550132340365331), we get a palindrome (683695383596386).

The spelling of 133563043231055 in words is "one hundred thirty-three trillion, five hundred sixty-three billion, forty-three million, two hundred thirty-one thousand, fifty-five".