321161151534325 has 12 divisors (see below), whose sum is σ = 398337603581988. Its totient is φ = 256865840144000.

The previous prime is 321161151534319. The next prime is 321161151534343. The reversal of 321161151534325 is 523435151161123.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 117992646203364 + 203168505330961 = 10862442^2 + 14253719^2 .

It is not a de Polignac number, because 321161151534325 - 2¹³ = 321161151526133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1576923226 + ... + 1577126875.

It is an arithmetic number, because the mean of its divisors is an integer number (33194800298499).

Almost surely, 2^{321161151534325} is an apocalyptic number.

It is an amenable number.

321161151534325 is a deficient number, since it is larger than the sum of its proper divisors (77176452047663).

321161151534325 is a wasteful number, since it uses less digits than its factorization.

321161151534325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154054184 (or 3154054179 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The spelling of 321161151534325 in words is "three hundred twenty-one trillion, one hundred sixty-one billion, one hundred fifty-one million, five hundred thirty-four thousand, three hundred twenty-five".