321112521449959 has 2 divisors, whose sum is σ = 321112521449960. Its totient is φ = 321112521449958.

The previous prime is 321112521449917. The next prime is 321112521450041. The reversal of 321112521449959 is 959944125211123.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 321112521449959 - 2²⁹ = 321111984579047 is a prime.

It is a super-2 number, since 2×321112521449959² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (321112521449359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160556260724979 + 160556260724980.

It is an arithmetic number, because the mean of its divisors is an integer number (160556260724980).

Almost surely, 2^{321112521449959} is an apocalyptic number.

321112521449959 is a deficient number, since it is larger than the sum of its proper divisors (1).

321112521449959 is an equidigital number, since it uses as much as digits as its factorization.

321112521449959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 58.

The spelling of 321112521449959 in words is "three hundred twenty-one trillion, one hundred twelve billion, five hundred twenty-one million, four hundred forty-nine thousand, nine hundred fifty-nine".