1133561011 has 8 divisors (see below), whose sum is σ = 1237183344. Its totient is φ = 1030033920.

The previous prime is 1133560999. The next prime is 1133561017. The reversal of 1133561011 is 1101653311.

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 1133561011 - 2²³ = 1125172403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1133561017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2335 + ... + 47671.

It is an arithmetic number, because the mean of its divisors is an integer number (154647918).

Almost surely, 2^1133561011 is an apocalyptic number.

1133561011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1133561011 is a deficient number, since it is larger than the sum of its proper divisors (103622333).

1133561011 is a wasteful number, since it uses less digits than its factorization.

1133561011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47621.

The product of its (nonzero) digits is 270, while the sum is 22.

The square root of 1133561011 is about 33668.3978086276. The cubic root of 1133561011 is about 1042.6734137122.

The spelling of 1133561011 in words is "one billion, one hundred thirty-three million, five hundred sixty-one thousand, eleven".