1089132011 has 8 divisors (see below), whose sum is σ = 1197964848. Its totient is φ = 990118800.

The previous prime is 1089132007. The next prime is 1089132017. The reversal of 1089132011 is 1102319801.

It is not a de Polignac number, because 1089132011 - 2² = 1089132007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1089132017) 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 7 ways as a sum of consecutive naturals, for example, 407810 + ... + 410471.

It is an arithmetic number, because the mean of its divisors is an integer number (149745606).

Almost surely, 2^1089132011 is an apocalyptic number.

1089132011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1089132011 is a deficient number, since it is larger than the sum of its proper divisors (108832837).

1089132011 is an frugal number, since it uses more digits than its factorization.

1089132011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818314 (or 818292 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 26.

The square root of 1089132011 is about 33002.0001060542. Note that the first 3 decimals coincide. The cubic root of 1089132011 is about 1028.8692183884.

The spelling of 1089132011 in words is "one billion, eighty-nine million, one hundred thirty-two thousand, eleven".