1096117785 has 256 divisors, whose sum is σ = 2521497600. Its totient is φ = 440681472.

The previous prime is 1096117783. The next prime is 1096117801. The reversal of 1096117785 is 5877116901.

It is not a de Polignac number, because 1096117785 - 2¹ = 1096117783 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1096117785.

It is not an unprimeable number, because it can be changed into a prime (1096117783) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 23321632 + ... + 23321678.

It is an arithmetic number, because the mean of its divisors is an integer number (9849600).

Almost surely, 2^1096117785 is an apocalyptic number.

1096117785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1096117785 is an abundant number, since it is smaller than the sum of its proper divisors (1425379815).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1096117785 is a wasteful number, since it uses less digits than its factorization.

1096117785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 45.

The square root of 1096117785 is about 33107.6695797213. The cubic root of 1096117785 is about 1031.0642799437.

The spelling of 1096117785 in words is "one billion, ninety-six million, one hundred seventeen thousand, seven hundred eighty-five".