5531312355523 has 4 divisors (see below), whose sum is σ = 5547725745640. Its totient is φ = 5514898965408.

The previous prime is 5531312355487. The next prime is 5531312355529. The reversal of 5531312355523 is 3255532131355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5531312355523 - 2⁹ = 5531312355011 is a prime.

It is a super-2 number, since 2×5531312355523² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5531312355523.

It is not an unprimeable number, because it can be changed into a prime (5531312355529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8206694553 + ... + 8206695226.

It is an arithmetic number, because the mean of its divisors is an integer number (1386931436410).

Almost surely, 2^{5531312355523} is an apocalyptic number.

5531312355523 is a deficient number, since it is larger than the sum of its proper divisors (16413390117).

5531312355523 is a wasteful number, since it uses less digits than its factorization.

5531312355523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16413390116.

The product of its digits is 1012500, while the sum is 43.

Adding to 5531312355523 its reverse (3255532131355), we get a palindrome (8786844486878).

The spelling of 5531312355523 in words is "five trillion, five hundred thirty-one billion, three hundred twelve million, three hundred fifty-five thousand, five hundred twenty-three".