10503051533 has 4 divisors (see below), whose sum is σ = 11310978588. Its totient is φ = 9695124480.

The previous prime is 10503051527. The next prime is 10503051599. The reversal of 10503051533 is 33515030501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3024780004 + 7478271529 = 54998^2 + 86477^2 .

It is a cyclic number.

It is not a de Polignac number, because 10503051533 - 2⁸ = 10503051277 is a prime.

It is a super-2 number, since 2×10503051533² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503051833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 403963508 + ... + 403963533.

It is an arithmetic number, because the mean of its divisors is an integer number (2827744647).

Almost surely, 2^10503051533 is an apocalyptic number.

10503051533 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

10503051533 is a deficient number, since it is larger than the sum of its proper divisors (807927055).

10503051533 is an equidigital number, since it uses as much as digits as its factorization.

10503051533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807927054.

The product of its (nonzero) digits is 3375, while the sum is 26.

The spelling of 10503051533 in words is "ten billion, five hundred three million, fifty-one thousand, five hundred thirty-three".