10533665503 has 2 divisors, whose sum is σ = 10533665504. Its totient is φ = 10533665502.

The previous prime is 10533665489. The next prime is 10533665567. The reversal of 10533665503 is 30556633501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10533665503 - 2⁹ = 10533664991 is a prime.

It is a super-2 number, since 2×10533665503² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10533665573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5266832751 + 5266832752.

It is an arithmetic number, because the mean of its divisors is an integer number (5266832752).

Almost surely, 2^10533665503 is an apocalyptic number.

10533665503 is a deficient number, since it is larger than the sum of its proper divisors (1).

10533665503 is an equidigital number, since it uses as much as digits as its factorization.

10533665503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 121500, while the sum is 37.

The spelling of 10533665503 in words is "ten billion, five hundred thirty-three million, six hundred sixty-five thousand, five hundred three".