122304552189551 has 2 divisors, whose sum is σ = 122304552189552. Its totient is φ = 122304552189550.

The previous prime is 122304552189541. The next prime is 122304552189583. The reversal of 122304552189551 is 155981255403221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-122304552189551 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 122304552189493 and 122304552189502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (122304552189511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 61152276094775 + 61152276094776.

It is an arithmetic number, because the mean of its divisors is an integer number (61152276094776).

Almost surely, 2^{122304552189551} is an apocalyptic number.

122304552189551 is a deficient number, since it is larger than the sum of its proper divisors (1).

122304552189551 is an equidigital number, since it uses as much as digits as its factorization.

122304552189551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320000, while the sum is 53.

The spelling of 122304552189551 in words is "one hundred twenty-two trillion, three hundred four billion, five hundred fifty-two million, one hundred eighty-nine thousand, five hundred fifty-one".