10503668518 has 48 divisors (see below), whose sum is σ = 19598389344. Its totient is φ = 4194758400.

The previous prime is 10503668473. The next prime is 10503668563. The reversal of 10503668518 is 81586630501.

It is an interprime number because it is at equal distance from previous prime (10503668473) and next prime (10503668563).

It is a super-2 number, since 2×10503668518² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137055 + ... + 199477.

It is an arithmetic number, because the mean of its divisors is an integer number (408299778).

Almost surely, 2^10503668518 is an apocalyptic number.

10503668518 is a deficient number, since it is larger than the sum of its proper divisors (9094720826).

10503668518 is a wasteful number, since it uses less digits than its factorization.

10503668518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62557 (or 62550 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 43.

The spelling of 10503668518 in words is "ten billion, five hundred three million, six hundred sixty-eight thousand, five hundred eighteen".