11903688863 has 16 divisors (see below), whose sum is σ = 13178072736. Its totient is φ = 10661667840.

The previous prime is 11903688851. The next prime is 11903688869. The reversal of 11903688863 is 36888630911.

It is a happy number.

11903688863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11903688863 - 2²² = 11899494559 is a prime.

It is a super-2 number, since 2×11903688863² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903688869) 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 15 ways as a sum of consecutive naturals, for example, 776945 + ... + 792117.

It is an arithmetic number, because the mean of its divisors is an integer number (823629546).

Almost surely, 2^11903688863 is an apocalyptic number.

11903688863 is a deficient number, since it is larger than the sum of its proper divisors (1274383873).

11903688863 is a wasteful number, since it uses less digits than its factorization.

11903688863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16234.

The product of its (nonzero) digits is 1492992, while the sum is 53.

The spelling of 11903688863 in words is "eleven billion, nine hundred three million, six hundred eighty-eight thousand, eight hundred sixty-three".