355805555555 has 16 divisors (see below), whose sum is σ = 427967820000. Its totient is φ = 283977657600.

The previous prime is 355805555531. The next prime is 355805555659. The reversal of 355805555555 is 555555508553.

It is not a de Polignac number, because 355805555555 - 2¹⁴ = 355805539171 is a prime.

355805555555 is a modest number, since divided by 555555 gives 355805 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 355805555555.

It is an unprimeable number.

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, 4465001 + ... + 4543989.

It is an arithmetic number, because the mean of its divisors is an integer number (26747988750).

Almost surely, 2^355805555555 is an apocalyptic number.

355805555555 is a deficient number, since it is larger than the sum of its proper divisors (72162264445).

355805555555 is a wasteful number, since it uses less digits than its factorization.

355805555555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81094.

The product of its (nonzero) digits is 46875000, while the sum is 56.

The spelling of 355805555555 in words is "three hundred fifty-five billion, eight hundred five million, five hundred fifty-five thousand, five hundred fifty-five".