555304544733121 has 12 divisors (see below), whose sum is σ = 572778759173628. Its totient is φ = 538345785218112.

The previous prime is 555304544733101. The next prime is 555304544733173. The reversal of 555304544733121 is 121337445403555.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 120312621001521 + 434991923731600 = 10968711^2 + 20856460^2 .

It is not a de Polignac number, because 555304544733121 - 2²⁹ = 555304007862209 is a prime.

It is a super-2 number, since 2×555304544733121² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (555304544733101) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 731801046 + ... + 732559471.

It is an arithmetic number, because the mean of its divisors is an integer number (47731563264469).

Almost surely, 2^{555304544733121} is an apocalyptic number.

It is an amenable number.

555304544733121 is a deficient number, since it is larger than the sum of its proper divisors (17474214440507).

555304544733121 is a wasteful number, since it uses less digits than its factorization.

555304544733121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1464360868 (or 1464360831 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 52.

The spelling of 555304544733121 in words is "five hundred fifty-five trillion, three hundred four billion, five hundred forty-four million, seven hundred thirty-three thousand, one hundred twenty-one".