1086018561 has 12 divisors (see below), whose sum is σ = 1611091092. Its totient is φ = 704444256.

The previous prime is 1086018553. The next prime is 1086018671. The reversal of 1086018561 is 1658106801.

1086018561 is a `hidden beast` number, since 1 + 0 + 86 + 0 + 18 + 561 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 734681025 + 351337536 = 27105^2 + 18744^2 .

It is not a de Polignac number, because 1086018561 - 2³ = 1086018553 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1086038561) 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 11 ways as a sum of consecutive naturals, for example, 1630326 + ... + 1630991.

It is an arithmetic number, because the mean of its divisors is an integer number (134257591).

Almost surely, 2^1086018561 is an apocalyptic number.

It is an amenable number.

1086018561 is a deficient number, since it is larger than the sum of its proper divisors (525072531).

1086018561 is a wasteful number, since it uses less digits than its factorization.

1086018561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3261360 (or 3261357 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 36.

The square root of 1086018561 is about 32954.7957208052. The cubic root of 1086018561 is about 1027.8878894960.

The spelling of 1086018561 in words is "one billion, eighty-six million, eighteen thousand, five hundred sixty-one".