11888788241 has 4 divisors (see below), whose sum is σ = 12969587184. Its totient is φ = 10807989300.

The previous prime is 11888788231. The next prime is 11888788367. The reversal of 11888788241 is 14288788811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11888788241 - 2²⁶ = 11821679377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11888788231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 540399455 + ... + 540399476.

It is an arithmetic number, because the mean of its divisors is an integer number (3242396796).

Almost surely, 2^11888788241 is an apocalyptic number.

11888788241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11888788241 is a deficient number, since it is larger than the sum of its proper divisors (1080798943).

11888788241 is a wasteful number, since it uses less digits than its factorization.

11888788241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080798942.

The product of its digits is 1835008, while the sum is 56.

The spelling of 11888788241 in words is "eleven billion, eight hundred eighty-eight million, seven hundred eighty-eight thousand, two hundred forty-one".