1101552441569 has 2 divisors, whose sum is σ = 1101552441570. Its totient is φ = 1101552441568.

The previous prime is 1101552441503. The next prime is 1101552441589. The reversal of 1101552441569 is 9651442551011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1054959060544 + 46593381025 = 1027112^2 + 215855^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101552441569 - 2²⁴ = 1101535664353 is a prime.

It is a super-2 number, since 2×1101552441569² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1101552441589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550776220784 + 550776220785.

It is an arithmetic number, because the mean of its divisors is an integer number (550776220785).

Almost surely, 2^{1101552441569} is an apocalyptic number.

It is an amenable number.

1101552441569 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101552441569 is an equidigital number, since it uses as much as digits as its factorization.

1101552441569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 44.

The spelling of 1101552441569 in words is "one trillion, one hundred one billion, five hundred fifty-two million, four hundred forty-one thousand, five hundred sixty-nine".