11788605555 has 8 divisors (see below), whose sum is σ = 18861768912. Its totient is φ = 6287256288.

The previous prime is 11788605553. The next prime is 11788605571. The reversal of 11788605555 is 55550688711.

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

It is not a de Polignac number, because 11788605555 - 2¹ = 11788605553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11788605498 and 11788605507.

It is not an unprimeable number, because it can be changed into a prime (11788605551) 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, 392953504 + ... + 392953533.

It is an arithmetic number, because the mean of its divisors is an integer number (2357721114).

Almost surely, 2^11788605555 is an apocalyptic number.

11788605555 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11788605555 is a deficient number, since it is larger than the sum of its proper divisors (7073163357).

11788605555 is an equidigital number, since it uses as much as digits as its factorization.

11788605555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785907045.

The product of its (nonzero) digits is 1680000, while the sum is 51.

The spelling of 11788605555 in words is "eleven billion, seven hundred eighty-eight million, six hundred five thousand, five hundred fifty-five".