1448217521801 has 2 divisors, whose sum is σ = 1448217521802. Its totient is φ = 1448217521800.

The previous prime is 1448217521743. The next prime is 1448217521809. The reversal of 1448217521801 is 1081257128441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 875132185225 + 573085336576 = 935485^2 + 757024^2 .

It is a cyclic number.

It is not a de Polignac number, because 1448217521801 - 2¹⁴ = 1448217505417 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1448217521809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 724108760900 + 724108760901.

It is an arithmetic number, because the mean of its divisors is an integer number (724108760901).

Almost surely, 2^{1448217521801} is an apocalyptic number.

It is an amenable number.

1448217521801 is a deficient number, since it is larger than the sum of its proper divisors (1).

1448217521801 is an equidigital number, since it uses as much as digits as its factorization.

1448217521801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 143360, while the sum is 44.

The spelling of 1448217521801 in words is "one trillion, four hundred forty-eight billion, two hundred seventeen million, five hundred twenty-one thousand, eight hundred one".