1089992285 has 16 divisors (see below), whose sum is σ = 1379861760. Its totient is φ = 824281920.

The previous prime is 1089992249. The next prime is 1089992291. The reversal of 1089992285 is 5822999801.

It is not a de Polignac number, because 1089992285 - 2⁶ = 1089992221 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31595 + ... + 56375.

It is an arithmetic number, because the mean of its divisors is an integer number (86241360).

Almost surely, 2^1089992285 is an apocalyptic number.

It is an amenable number.

1089992285 is a deficient number, since it is larger than the sum of its proper divisors (289869475).

1089992285 is a wasteful number, since it uses less digits than its factorization.

1089992285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25268.

The product of its (nonzero) digits is 933120, while the sum is 53.

The square root of 1089992285 is about 33015.0311979256. The cubic root of 1089992285 is about 1029.1400384819.

The spelling of 1089992285 in words is "one billion, eighty-nine million, nine hundred ninety-two thousand, two hundred eighty-five".