4315231543555 has 4 divisors (see below), whose sum is σ = 5178277852272. Its totient is φ = 3452185234840.

The previous prime is 4315231543517. The next prime is 4315231543607. The reversal of 4315231543555 is 5553451325134.

It is a happy number.

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

It is not a de Polignac number, because 4315231543555 - 2¹⁷ = 4315231412483 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431523154351 + ... + 431523154360.

It is an arithmetic number, because the mean of its divisors is an integer number (1294569463068).

Almost surely, 2^{4315231543555} is an apocalyptic number.

4315231543555 is a deficient number, since it is larger than the sum of its proper divisors (863046308717).

4315231543555 is an equidigital number, since it uses as much as digits as its factorization.

4315231543555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863046308716.

The product of its digits is 2700000, while the sum is 46.

Adding to 4315231543555 its reverse (5553451325134), we get a palindrome (9868682868689).

It can be divided in two parts, 431523 and 1543555, that added together give a triangular number (1975078 = T₁₉₈₇).

The spelling of 4315231543555 in words is "four trillion, three hundred fifteen billion, two hundred thirty-one million, five hundred forty-three thousand, five hundred fifty-five".