321125103504 has 80 divisors (see below), whose sum is σ = 921823707840. Its totient is φ = 107032907520.

The previous prime is 321125103493. The next prime is 321125103521. The reversal of 321125103504 is 405301521123.

321125103504 is a `hidden beast` number, since 3 + 2 + 112 + 510 + 35 + 0 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7229844 + ... + 7274124.

It is an arithmetic number, because the mean of its divisors is an integer number (11522796348).

Almost surely, 2^321125103504 is an apocalyptic number.

It is an amenable number.

321125103504 is an abundant number, since it is smaller than the sum of its proper divisors (600698604336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321125103504 is a wasteful number, since it uses less digits than its factorization.

321125103504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61085 (or 61073 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

Adding to 321125103504 its reverse (405301521123), we get a palindrome (726426624627).

The spelling of 321125103504 in words is "three hundred twenty-one billion, one hundred twenty-five million, one hundred three thousand, five hundred four".