1053544221617 has 2 divisors, whose sum is σ = 1053544221618. Its totient is φ = 1053544221616.

The previous prime is 1053544221533. The next prime is 1053544221629. The reversal of 1053544221617 is 7161224453501.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1042606408561 + 10937813056 = 1021081^2 + 104584^2 .

It is a cyclic number.

It is not a de Polignac number, because 1053544221617 - 2¹⁰ = 1053544220593 is a prime.

It is a super-2 number, since 2×1053544221617² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1053544221637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 526772110808 + 526772110809.

It is an arithmetic number, because the mean of its divisors is an integer number (526772110809).

Almost surely, 2^{1053544221617} is an apocalyptic number.

It is an amenable number.

1053544221617 is a deficient number, since it is larger than the sum of its proper divisors (1).

1053544221617 is an equidigital number, since it uses as much as digits as its factorization.

1053544221617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 201600, while the sum is 41.

The spelling of 1053544221617 in words is "one trillion, fifty-three billion, five hundred forty-four million, two hundred twenty-one thousand, six hundred seventeen".