11788552281 has 16 divisors (see below), whose sum is σ = 17172957888. Its totient is φ = 7133755200.

The previous prime is 11788552253. The next prime is 11788552291. The reversal of 11788552281 is 18225588711.

It is a happy number.

11788552281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11788552281 - 2¹⁷ = 11788421209 is a prime.

It is a super-2 number, since 2×11788552281² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11788552281.

It is not an unprimeable number, because it can be changed into a prime (11788552201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248406 + ... + 292031.

It is an arithmetic number, because the mean of its divisors is an integer number (1073309868).

Almost surely, 2^11788552281 is an apocalyptic number.

11788552281 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11788552281 is a deficient number, since it is larger than the sum of its proper divisors (5384405607).

11788552281 is a wasteful number, since it uses less digits than its factorization.

11788552281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541112.

The product of its digits is 358400, while the sum is 48.

The spelling of 11788552281 in words is "eleven billion, seven hundred eighty-eight million, five hundred fifty-two thousand, two hundred eighty-one".