355543505345553 has 16 divisors (see below), whose sum is σ = 541793611054080. Its totient is φ = 203162830535376.

The previous prime is 355543505345551. The next prime is 355543505345573.

355543505345553 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 355543505345553 - 2¹ = 355543505345551 is a prime.

It is a super-2 number, since 2×355543505345553² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (355543505345551) 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 15 ways as a sum of consecutive naturals, for example, 202722925 + ... + 204469242.

It is an arithmetic number, because the mean of its divisors is an integer number (33862100690880).

Almost surely, 2^{355543505345553} is an apocalyptic number.

It is an amenable number.

355543505345553 is a deficient number, since it is larger than the sum of its proper divisors (186250105708527).

355543505345553 is a wasteful number, since it uses less digits than its factorization.

355543505345553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407233756.

The product of its (nonzero) digits is 506250000, while the sum is 60.

The spelling of 355543505345553 in words is "three hundred fifty-five trillion, five hundred forty-three billion, five hundred five million, three hundred forty-five thousand, five hundred fifty-three".