10503613550 has 48 divisors (see below), whose sum is σ = 20437879392. Its totient is φ = 4008576000.

The previous prime is 10503613537. The next prime is 10503613553. The reversal of 10503613550 is 5531630501.

It is a super-2 number, since 2×10503613550² (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 (10503613553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449762 + ... + 472538.

It is an arithmetic number, because the mean of its divisors is an integer number (425789154).

Almost surely, 2^10503613550 is an apocalyptic number.

10503613550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10503613550 is a deficient number, since it is larger than the sum of its proper divisors (9934265842).

10503613550 is a wasteful number, since it uses less digits than its factorization.

10503613550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23213 (or 23208 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 29.

The spelling of 10503613550 in words is "ten billion, five hundred three million, six hundred thirteen thousand, five hundred fifty".