4551364660121 has 2 divisors, whose sum is σ = 4551364660122. Its totient is φ = 4551364660120.

The previous prime is 4551364660111. The next prime is 4551364660169. The reversal of 4551364660121 is 1210664631554.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2633596682896 + 1917767977225 = 1622836^2 + 1384835^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4551364660121 is a prime.

It is not a weakly prime, because it can be changed into another prime (4551364660111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2275682330060 + 2275682330061.

It is an arithmetic number, because the mean of its divisors is an integer number (2275682330061).

Almost surely, 2^{4551364660121} is an apocalyptic number.

It is an amenable number.

4551364660121 is a deficient number, since it is larger than the sum of its proper divisors (1).

4551364660121 is an equidigital number, since it uses as much as digits as its factorization.

4551364660121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 518400, while the sum is 44.

The spelling of 4551364660121 in words is "four trillion, five hundred fifty-one billion, three hundred sixty-four million, six hundred sixty thousand, one hundred twenty-one".