321052142525055 has 64 divisors (see below), whose sum is σ = 517502183869440. Its totient is φ = 169956767232000.

The previous prime is 321052142525029. The next prime is 321052142525069. The reversal of 321052142525055 is 550525241250123.

It is not a de Polignac number, because 321052142525055 - 2⁶ = 321052142524991 is a prime.

It is a super-2 number, since 2×321052142525055² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 321052142524998 and 321052142525016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31590287404 + ... + 31590297566.

It is an arithmetic number, because the mean of its divisors is an integer number (8085971622960).

Almost surely, 2^{321052142525055} is an apocalyptic number.

321052142525055 is a deficient number, since it is larger than the sum of its proper divisors (196450041344385).

321052142525055 is a wasteful number, since it uses less digits than its factorization.

321052142525055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20192.

The product of its (nonzero) digits is 600000, while the sum is 42.

Adding to 321052142525055 its reverse (550525241250123), we get a palindrome (871577383775178).

The spelling of 321052142525055 in words is "three hundred twenty-one trillion, fifty-two billion, one hundred forty-two million, five hundred twenty-five thousand, fifty-five".