255351445014321 has 12 divisors (see below), whose sum is σ = 369760779070020. Its totient is φ = 169809772243200.

The previous prime is 255351445014313. The next prime is 255351445014383. The reversal of 255351445014321 is 123410544153552.

255351445014321 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 51 + 4 + 450 + 143 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 253203200769600 + 2148244244721 = 15912360^2 + 1465689^2 .

It is not a de Polignac number, because 255351445014321 - 2³ = 255351445014313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (255351445014311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35377032276 + ... + 35377039493.

It is an arithmetic number, because the mean of its divisors is an integer number (30813398255835).

Almost surely, 2^{255351445014321} is an apocalyptic number.

It is an amenable number.

255351445014321 is a deficient number, since it is larger than the sum of its proper divisors (114409334055699).

255351445014321 is a wasteful number, since it uses less digits than its factorization.

255351445014321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70754072176 (or 70754072173 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

Adding to 255351445014321 its reverse (123410544153552), we get a palindrome (378761989167873).

The spelling of 255351445014321 in words is "two hundred fifty-five trillion, three hundred fifty-one billion, four hundred forty-five million, fourteen thousand, three hundred twenty-one".