229858128955 has 32 divisors (see below), whose sum is σ = 340219490688. Its totient is φ = 145176883200.

The previous prime is 229858128923. The next prime is 229858128961. The reversal of 229858128955 is 559821858922.

229858128955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 229858128955 - 2⁵ = 229858128923 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 338166 + ... + 757675.

It is an arithmetic number, because the mean of its divisors is an integer number (10631859084).

Almost surely, 2^229858128955 is an apocalyptic number.

229858128955 is a deficient number, since it is larger than the sum of its proper divisors (110361361733).

229858128955 is a wasteful number, since it uses less digits than its factorization.

229858128955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1096327.

The product of its digits is 41472000, while the sum is 64.

The spelling of 229858128955 in words is "two hundred twenty-nine billion, eight hundred fifty-eight million, one hundred twenty-eight thousand, nine hundred fifty-five".