5505112321 has 2 divisors, whose sum is σ = 5505112322. Its totient is φ = 5505112320.

The previous prime is 5505112313. The next prime is 5505112337. The reversal of 5505112321 is 1232115055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4298244721 + 1206867600 = 65561^2 + 34740^2 .

It is a cyclic number.

It is not a de Polignac number, because 5505112321 - 2³ = 5505112313 is a prime.

It is not a weakly prime, because it can be changed into another prime (5505112381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2752556160 + 2752556161.

It is an arithmetic number, because the mean of its divisors is an integer number (2752556161).

Almost surely, 2^5505112321 is an apocalyptic number.

It is an amenable number.

5505112321 is a deficient number, since it is larger than the sum of its proper divisors (1).

5505112321 is an equidigital number, since it uses as much as digits as its factorization.

5505112321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1500, while the sum is 25.

The square root of 5505112321 is about 74196.4441263865. Note that the first 3 decimals coincide. The cubic root of 5505112321 is about 1765.7209156868.

Adding to 5505112321 its reverse (1232115055), we get a palindrome (6737227376).

The spelling of 5505112321 in words is "five billion, five hundred five million, one hundred twelve thousand, three hundred twenty-one".