1135503123473 has 2 divisors, whose sum is σ = 1135503123474. Its totient is φ = 1135503123472.

The previous prime is 1135503123457. The next prime is 1135503123497. The reversal of 1135503123473 is 3743213055311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1110542915329 + 24960208144 = 1053823^2 + 157988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1135503123473 - 2⁴ = 1135503123457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1135503129473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 567751561736 + 567751561737.

It is an arithmetic number, because the mean of its divisors is an integer number (567751561737).

Almost surely, 2^{1135503123473} is an apocalyptic number.

It is an amenable number.

1135503123473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1135503123473 is an equidigital number, since it uses as much as digits as its factorization.

1135503123473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

Adding to 1135503123473 its reverse (3743213055311), we get a palindrome (4878716178784).

The spelling of 1135503123473 in words is "one trillion, one hundred thirty-five billion, five hundred three million, one hundred twenty-three thousand, four hundred seventy-three".