11838003609599 has 32 divisors (see below), whose sum is σ = 12439519488000. Its totient is φ = 11244027209184.

The previous prime is 11838003609541. The next prime is 11838003609629. The reversal of 11838003609599 is 99590630083811.

It is a Cunningham number, because it is equal to 3440640²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11838003609599 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 (11838003609499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5432767892 + ... + 5432770070.

It is an arithmetic number, because the mean of its divisors is an integer number (388734984000).

Almost surely, 2^{11838003609599} is an apocalyptic number.

11838003609599 is a deficient number, since it is larger than the sum of its proper divisors (601515878401).

11838003609599 is a wasteful number, since it uses less digits than its factorization.

11838003609599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4667.

The product of its (nonzero) digits is 12597120, while the sum is 62.

The spelling of 11838003609599 in words is "eleven trillion, eight hundred thirty-eight billion, three million, six hundred nine thousand, five hundred ninety-nine".