321142127955 has 32 divisors (see below), whose sum is σ = 564301036800. Its totient is φ = 154660260480.

The previous prime is 321142127903. The next prime is 321142128031. The reversal of 321142127955 is 559721241123.

It is not a de Polignac number, because 321142127955 - 2⁸ = 321142127699 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 6506677 + ... + 6555846.

It is an arithmetic number, because the mean of its divisors is an integer number (17634407400).

Almost surely, 2^321142127955 is an apocalyptic number.

321142127955 is a deficient number, since it is larger than the sum of its proper divisors (243158908845).

321142127955 is a wasteful number, since it uses less digits than its factorization.

321142127955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13062691.

The product of its digits is 151200, while the sum is 42.

The spelling of 321142127955 in words is "three hundred twenty-one billion, one hundred forty-two million, one hundred twenty-seven thousand, nine hundred fifty-five".