321116535152 has 40 divisors (see below), whose sum is σ = 711625453056. Its totient is φ = 137508785856.

The previous prime is 321116535151. The next prime is 321116535161. The reversal of 321116535152 is 251535611123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321116535151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035188 + ... + 1309139.

Almost surely, 2^321116535152 is an apocalyptic number.

It is an amenable number.

321116535152 is an abundant number, since it is smaller than the sum of its proper divisors (390508917904).

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

321116535152 is a wasteful number, since it uses less digits than its factorization.

321116535152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2345565 (or 2345559 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

The spelling of 321116535152 in words is "three hundred twenty-one billion, one hundred sixteen million, five hundred thirty-five thousand, one hundred fifty-two".