1085782611 has 4 divisors (see below), whose sum is σ = 1447710152. Its totient is φ = 723855072.

The previous prime is 1085782603. The next prime is 1085782631. The reversal of 1085782611 is 1162875801.

1085782611 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1162875801 = 3 ⋅387625267.

It is not a de Polignac number, because 1085782611 - 2³ = 1085782603 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1085782611.

It is not an unprimeable number, because it can be changed into a prime (1085782601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180963766 + ... + 180963771.

It is an arithmetic number, because the mean of its divisors is an integer number (361927538).

Almost surely, 2^1085782611 is an apocalyptic number.

1085782611 is a deficient number, since it is larger than the sum of its proper divisors (361927541).

1085782611 is an equidigital number, since it uses as much as digits as its factorization.

1085782611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361927540.

The product of its (nonzero) digits is 26880, while the sum is 39.

The square root of 1085782611 is about 32951.2156224926. The cubic root of 1085782611 is about 1027.8134439562.

The spelling of 1085782611 in words is "one billion, eighty-five million, seven hundred eighty-two thousand, six hundred eleven".