102551324401 has 2 divisors, whose sum is σ = 102551324402. Its totient is φ = 102551324400.

The previous prime is 102551324389. The next prime is 102551324441. The reversal of 102551324401 is 104423155201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63435978225 + 39115346176 = 251865^2 + 197776^2 .

It is a cyclic number.

It is not a de Polignac number, because 102551324401 - 2⁷ = 102551324273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 102551324401.

It is not a weakly prime, because it can be changed into another prime (102551324441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51275662200 + 51275662201.

It is an arithmetic number, because the mean of its divisors is an integer number (51275662201).

Almost surely, 2^102551324401 is an apocalyptic number.

It is an amenable number.

102551324401 is a deficient number, since it is larger than the sum of its proper divisors (1).

102551324401 is an equidigital number, since it uses as much as digits as its factorization.

102551324401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 102551324401 its reverse (104423155201), we get a palindrome (206974479602).

The spelling of 102551324401 in words is "one hundred two billion, five hundred fifty-one million, three hundred twenty-four thousand, four hundred one".