1133611864 has 48 divisors (see below), whose sum is σ = 2697333480. Its totient is φ = 441665280.

The previous prime is 1133611849. The next prime is 1133611873. The reversal of 1133611864 is 4681163311.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127137 + ... + 135760.

Almost surely, 2^1133611864 is an apocalyptic number.

1133611864 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1133611864 is an abundant number, since it is smaller than the sum of its proper divisors (1563721616).

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

1133611864 is a wasteful number, since it uses less digits than its factorization.

1133611864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262928 (or 262917 counting only the distinct ones).

The product of its digits is 10368, while the sum is 34.

The square root of 1133611864 is about 33669.1530038996. The cubic root of 1133611864 is about 1042.6890053676.

The spelling of 1133611864 in words is "one billion, one hundred thirty-three million, six hundred eleven thousand, eight hundred sixty-four".