551101322329 has 2 divisors, whose sum is σ = 551101322330. Its totient is φ = 551101322328.

The previous prime is 551101322257. The next prime is 551101322363. The reversal of 551101322329 is 923223101155.

It is an a-pointer prime, because the next prime (551101322363) can be obtained adding 551101322329 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548310630400 + 2790691929 = 740480^2 + 52827^2 .

It is a cyclic number.

It is not a de Polignac number, because 551101322329 - 2⁹ = 551101321817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 551101322294 and 551101322303.

It is not a weakly prime, because it can be changed into another prime (551101322129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275550661164 + 275550661165.

It is an arithmetic number, because the mean of its divisors is an integer number (275550661165).

Almost surely, 2^551101322329 is an apocalyptic number.

It is an amenable number.

551101322329 is a deficient number, since it is larger than the sum of its proper divisors (1).

551101322329 is an equidigital number, since it uses as much as digits as its factorization.

551101322329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 551101322329 in words is "five hundred fifty-one billion, one hundred one million, three hundred twenty-two thousand, three hundred twenty-nine".