1553543411297 has 2 divisors, whose sum is σ = 1553543411298. Its totient is φ = 1553543411296.

The previous prime is 1553543411257. The next prime is 1553543411317. The reversal of 1553543411297 is 7921143453551.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1444140572176 + 109402839121 = 1201724^2 + 330761^2 .

It is a cyclic number.

It is not a de Polignac number, because 1553543411297 - 2¹⁰ = 1553543410273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1553543411257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 776771705648 + 776771705649.

It is an arithmetic number, because the mean of its divisors is an integer number (776771705649).

Almost surely, 2^{1553543411297} is an apocalyptic number.

It is an amenable number.

1553543411297 is a deficient number, since it is larger than the sum of its proper divisors (1).

1553543411297 is an equidigital number, since it uses as much as digits as its factorization.

1553543411297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2268000, while the sum is 50.

The spelling of 1553543411297 in words is "one trillion, five hundred fifty-three billion, five hundred forty-three million, four hundred eleven thousand, two hundred ninety-seven".