30005555205255 has 192 divisors, whose sum is σ = 59443256678400. Its totient is φ = 12916939843584.

The previous prime is 30005555205187. The next prime is 30005555205299. The reversal of 30005555205255 is 55250255550003.

It is a happy number.

30005555205255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 30005555205255 - 2⁷ = 30005555205127 is a prime.

It is a congruent number.

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 191 ways as a sum of consecutive naturals, for example, 310128247 + ... + 310224983.

It is an arithmetic number, because the mean of its divisors is an integer number (309600295200).

Almost surely, 2^{30005555205255} is an apocalyptic number.

30005555205255 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30005555205255 is a deficient number, since it is larger than the sum of its proper divisors (29437701473145).

30005555205255 is a wasteful number, since it uses less digits than its factorization.

30005555205255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96971 (or 96938 counting only the distinct ones).

The product of its (nonzero) digits is 937500, while the sum is 42.

The spelling of 30005555205255 in words is "thirty trillion, five billion, five hundred fifty-five million, two hundred five thousand, two hundred fifty-five".