11903817783 has 32 divisors (see below), whose sum is σ = 18671304960. Its totient is φ = 6650634240.

The previous prime is 11903817763. The next prime is 11903817811. The reversal of 11903817783 is 38771830911.

11903817783 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 11903817783 - 2⁹ = 11903817271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903817703) 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 31 ways as a sum of consecutive naturals, for example, 311860 + ... + 347942.

It is an arithmetic number, because the mean of its divisors is an integer number (583478280).

Almost surely, 2^11903817783 is an apocalyptic number.

11903817783 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11903817783 is a deficient number, since it is larger than the sum of its proper divisors (6767487177).

11903817783 is a wasteful number, since it uses less digits than its factorization.

11903817783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36879.

The product of its (nonzero) digits is 254016, while the sum is 48.

The spelling of 11903817783 in words is "eleven billion, nine hundred three million, eight hundred seventeen thousand, seven hundred eighty-three".