1103385483521 has 2 divisors, whose sum is σ = 1103385483522. Its totient is φ = 1103385483520.

The previous prime is 1103385483491. The next prime is 1103385483587. The reversal of 1103385483521 is 1253845833011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1101607680625 + 1777802896 = 1049575^2 + 42164^2 .

It is a cyclic number.

It is not a de Polignac number, because 1103385483521 - 2¹⁰ = 1103385482497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1103385483121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551692741760 + 551692741761.

It is an arithmetic number, because the mean of its divisors is an integer number (551692741761).

Almost surely, 2^{1103385483521} is an apocalyptic number.

It is an amenable number.

1103385483521 is a deficient number, since it is larger than the sum of its proper divisors (1).

1103385483521 is an equidigital number, since it uses as much as digits as its factorization.

1103385483521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 1103385483521 in words is "one trillion, one hundred three billion, three hundred eighty-five million, four hundred eighty-three thousand, five hundred twenty-one".