1105785125 has 16 divisors (see below), whose sum is σ = 1402652784. Its totient is φ = 870120000.

The previous prime is 1105785113. The next prime is 1105785133. The reversal of 1105785125 is 5215875011.

1105785125 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 888576481 + 217208644 = 29809^2 + 14738^2 .

It is not a de Polignac number, because 1105785125 - 2⁶ = 1105785061 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64886 + ... + 80135.

It is an arithmetic number, because the mean of its divisors is an integer number (87665799).

Almost surely, 2^1105785125 is an apocalyptic number.

It is an amenable number.

1105785125 is a deficient number, since it is larger than the sum of its proper divisors (296867659).

1105785125 is an equidigital number, since it uses as much as digits as its factorization.

1105785125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145097 (or 145087 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 35.

The square root of 1105785125 is about 33253.3475758457. The cubic root of 1105785125 is about 1034.0866096655.

The spelling of 1105785125 in words is "one billion, one hundred five million, seven hundred eighty-five thousand, one hundred twenty-five".