1086049561 has 4 divisors (see below), whose sum is σ = 1087242624. Its totient is φ = 1084856500.

The previous prime is 1086049529. The next prime is 1086049609. The reversal of 1086049561 is 1659406801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1086049561 - 2⁵ = 1086049529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086049661) 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, 595165 + ... + 596986.

It is an arithmetic number, because the mean of its divisors is an integer number (271810656).

Almost surely, 2^1086049561 is an apocalyptic number.

It is an amenable number.

1086049561 is a deficient number, since it is larger than the sum of its proper divisors (1193063).

1086049561 is an equidigital number, since it uses as much as digits as its factorization.

1086049561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193062.

The product of its (nonzero) digits is 51840, while the sum is 40.

The square root of 1086049561 is about 32955.2660587045. The cubic root of 1086049561 is about 1027.8976696300.

The spelling of 1086049561 in words is "one billion, eighty-six million, forty-nine thousand, five hundred sixty-one".