11009900503 has 12 divisors (see below), whose sum is σ = 12809355552. Its totient is φ = 9435642720.

The previous prime is 11009900501. The next prime is 11009900507. The reversal of 11009900503 is 30500990011.

It is not a de Polignac number, because 11009900503 - 2¹ = 11009900501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11009900501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436626 + ... + 461152.

It is an arithmetic number, because the mean of its divisors is an integer number (1067446296).

Almost surely, 2^11009900503 is an apocalyptic number.

11009900503 is a deficient number, since it is larger than the sum of its proper divisors (1799455049).

11009900503 is an equidigital number, since it uses as much as digits as its factorization.

11009900503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33702 (or 33695 counting only the distinct ones).

The product of its (nonzero) digits is 1215, while the sum is 28.

The spelling of 11009900503 in words is "eleven billion, nine million, nine hundred thousand, five hundred three".