1095589085 has 16 divisors (see below), whose sum is σ = 1348084080. Its totient is φ = 854261760.

The previous prime is 1095589081. The next prime is 1095589091. The reversal of 1095589085 is 5809855901.

It can be written as a sum of positive squares in 8 ways, for example, as 631315876 + 464273209 = 25126^2 + 21547^2 .

It is not a de Polignac number, because 1095589085 - 2² = 1095589081 is a prime.

It is a super-2 number, since 2×1095589085² = 2400630886342274450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1095589081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286949 + ... + 290741.

It is an arithmetic number, because the mean of its divisors is an integer number (84255255).

Almost surely, 2^1095589085 is an apocalyptic number.

It is an amenable number.

1095589085 is a deficient number, since it is larger than the sum of its proper divisors (252494995).

1095589085 is a wasteful number, since it uses less digits than its factorization.

1095589085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5248.

The product of its (nonzero) digits is 648000, while the sum is 50.

The square root of 1095589085 is about 33099.6840619363. The cubic root of 1095589085 is about 1030.8984792240.

The spelling of 1095589085 in words is "one billion, ninety-five million, five hundred eighty-nine thousand, eighty-five".