321125046152516 has 12 divisors (see below), whose sum is σ = 561995969987088. Its totient is φ = 160554769013352.

The previous prime is 321125046152489. The next prime is 321125046152543. The reversal of 321125046152516 is 615251640521123.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (321125046152489) and next prime (321125046152543).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1938422546 + ... + 1938588201.

It is an arithmetic number, because the mean of its divisors is an integer number (46832997498924).

Almost surely, 2^{321125046152516} is an apocalyptic number.

It is an amenable number.

321125046152516 is a deficient number, since it is larger than the sum of its proper divisors (240870923834572).

321125046152516 is a wasteful number, since it uses less digits than its factorization.

321125046152516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877031458 (or 3877031456 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 44.

Adding to 321125046152516 its reverse (615251640521123), we get a palindrome (936376686673639).

The spelling of 321125046152516 in words is "three hundred twenty-one trillion, one hundred twenty-five billion, forty-six million, one hundred fifty-two thousand, five hundred sixteen".