11888555 has 8 divisors (see below), whose sum is σ = 16304352. Its totient is φ = 8152128.

The previous prime is 11888551. The next prime is 11888573. The reversal of 11888555 is 55588811.

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

It is a cyclic number.

It is not a de Polignac number, because 11888555 - 2² = 11888551 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11888551) 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, 169802 + ... + 169871.

It is an arithmetic number, because the mean of its divisors is an integer number (2038044).

Almost surely, 2^11888555 is an apocalyptic number.

11888555 is a deficient number, since it is larger than the sum of its proper divisors (4415797).

11888555 is an equidigital number, since it uses as much as digits as its factorization.

11888555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339685.

The product of its digits is 64000, while the sum is 41.

The square root of 11888555 is about 3447.9783932038. The cubic root of 11888555 is about 228.2319059823.

The spelling of 11888555 in words is "eleven million, eight hundred eighty-eight thousand, five hundred fifty-five".