11499997803 has 64 divisors (see below), whose sum is σ = 19046016000. Its totient is φ = 6023061504.

The previous prime is 11499997793. The next prime is 11499997807. The reversal of 11499997803 is 30879999411.

It is a happy number.

11499997803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11499997803 - 2⁵ = 11499997771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11499997807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2293363 + ... + 2298371.

It is an arithmetic number, because the mean of its divisors is an integer number (297594000).

Almost surely, 2^11499997803 is an apocalyptic number.

11499997803 is a deficient number, since it is larger than the sum of its proper divisors (7546018197).

11499997803 is a wasteful number, since it uses less digits than its factorization.

11499997803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5204.

The product of its (nonzero) digits is 4408992, while the sum is 60.

The spelling of 11499997803 in words is "eleven billion, four hundred ninety-nine million, nine hundred ninety-seven thousand, eight hundred three".