1133855888 has 40 divisors (see below), whose sum is σ = 2418996960. Its totient is φ = 510563840.

The previous prime is 1133855881. The next prime is 1133855897. The reversal of 1133855888 is 8885583311.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1133855881) 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 7 ways as a sum of consecutive naturals, for example, 11273 + ... + 48936.

It is an arithmetic number, because the mean of its divisors is an integer number (60474924).

Almost surely, 2^1133855888 is an apocalyptic number.

It is an amenable number.

1133855888 is an abundant number, since it is smaller than the sum of its proper divisors (1285141072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1133855888 is a wasteful number, since it uses less digits than its factorization.

1133855888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60335 (or 60329 counting only the distinct ones).

The product of its digits is 921600, while the sum is 50.

The square root of 1133855888 is about 33672.7766600855. The cubic root of 1133855888 is about 1042.7638172425.

The spelling of 1133855888 in words is "one billion, one hundred thirty-three million, eight hundred fifty-five thousand, eight hundred eighty-eight".