555512342253121 has 96 divisors (see below), whose sum is σ = 628190625484800. Its totient is φ = 490705844428800.

The previous prime is 555512342253019. The next prime is 555512342253137. The reversal of 555512342253121 is 121352243215555.

It is not a de Polignac number, because 555512342253121 - 2²⁵ = 555512308698689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555512342253191) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 272443521420 + ... + 272443523458.

It is an arithmetic number, because the mean of its divisors is an integer number (6543652348800).

Almost surely, 2^{555512342253121} is an apocalyptic number.

It is an amenable number.

555512342253121 is a deficient number, since it is larger than the sum of its proper divisors (72678283231679).

555512342253121 is a wasteful number, since it uses less digits than its factorization.

555512342253121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3451 (or 3440 counting only the distinct ones).

The product of its digits is 1800000, while the sum is 46.

Adding to 555512342253121 its reverse (121352243215555), we get a palindrome (676864585468676).

The spelling of 555512342253121 in words is "five hundred fifty-five trillion, five hundred twelve billion, three hundred forty-two million, two hundred fifty-three thousand, one hundred twenty-one".