1086811258 has 64 divisors (see below), whose sum is σ = 1908440352. Its totient is φ = 459694080.

The previous prime is 1086811247. The next prime is 1086811289. The reversal of 1086811258 is 8521186801.

It can be written as a sum of positive squares in 16 ways, for example, as 16670889 + 1070140369 = 4083^2 + 32713^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086811258.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4664310 + ... + 4664542.

Almost surely, 2^1086811258 is an apocalyptic number.

1086811258 is a deficient number, since it is larger than the sum of its proper divisors (821629094).

1086811258 is a wasteful number, since it uses less digits than its factorization.

1086811258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499.

The product of its (nonzero) digits is 30720, while the sum is 40.

The square root of 1086811258 is about 32966.8205624989. The cubic root of 1086811258 is about 1028.1379175990.

The spelling of 1086811258 in words is "one billion, eighty-six million, eight hundred eleven thousand, two hundred fifty-eight".