11903688013 has 8 divisors (see below), whose sum is σ = 13668691520. Its totient is φ = 10154803680.

The previous prime is 11903687993. The next prime is 11903688037. The reversal of 11903688013 is 31088630911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11903688013 - 2⁵ = 11903687981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11903688053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4028208 + ... + 4031161.

It is an arithmetic number, because the mean of its divisors is an integer number (1708586440).

Almost surely, 2^11903688013 is an apocalyptic number.

It is an amenable number.

11903688013 is a deficient number, since it is larger than the sum of its proper divisors (1765003507).

11903688013 is an equidigital number, since it uses as much as digits as its factorization.

11903688013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8059587.

The product of its (nonzero) digits is 31104, while the sum is 40.

The spelling of 11903688013 in words is "eleven billion, nine hundred three million, six hundred eighty-eight thousand, thirteen".