11138808999 has 8 divisors (see below), whose sum is σ = 14856315520. Its totient is φ = 7423587576.

The previous prime is 11138808991. The next prime is 11138809001. The reversal of 11138808999 is 99980883111.

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

It is not a de Polignac number, because 11138808999 - 2³ = 11138808991 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 (11138808991) 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, 559867 + ... + 579420.

It is an arithmetic number, because the mean of its divisors is an integer number (1857039440).

Almost surely, 2^11138808999 is an apocalyptic number.

11138808999 is a deficient number, since it is larger than the sum of its proper divisors (3717506521).

11138808999 is a wasteful number, since it uses less digits than its factorization.

11138808999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142549.

The product of its (nonzero) digits is 1119744, while the sum is 57.

The spelling of 11138808999 in words is "eleven billion, one hundred thirty-eight million, eight hundred eight thousand, nine hundred ninety-nine".