551332424161 has 2 divisors, whose sum is σ = 551332424162. Its totient is φ = 551332424160.

The previous prime is 551332424119. The next prime is 551332424189. The reversal of 551332424161 is 161424233155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293811697936 + 257520726225 = 542044^2 + 507465^2 .

It is a cyclic number.

It is not a de Polignac number, because 551332424161 - 2²³ = 551324035553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 551332424161.

It is not a weakly prime, because it can be changed into another prime (551332424101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275666212080 + 275666212081.

It is an arithmetic number, because the mean of its divisors is an integer number (275666212081).

Almost surely, 2^551332424161 is an apocalyptic number.

It is an amenable number.

551332424161 is a deficient number, since it is larger than the sum of its proper divisors (1).

551332424161 is an equidigital number, since it uses as much as digits as its factorization.

551332424161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 37.

The spelling of 551332424161 in words is "five hundred fifty-one billion, three hundred thirty-two million, four hundred twenty-four thousand, one hundred sixty-one".