1705125011 has 4 divisors (see below), whose sum is σ = 1705980000. Its totient is φ = 1704270024.

The previous prime is 1705125001. The next prime is 1705125013. The reversal of 1705125011 is 1105215071.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1105215071 = 7207 ⋅153353.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1705125011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1705125013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 424496 + ... + 428493.

It is an arithmetic number, because the mean of its divisors is an integer number (426495000).

Almost surely, 2^1705125011 is an apocalyptic number.

1705125011 is a deficient number, since it is larger than the sum of its proper divisors (854989).

1705125011 is an equidigital number, since it uses as much as digits as its factorization.

1705125011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854988.

The product of its (nonzero) digits is 350, while the sum is 23.

The square root of 1705125011 is about 41293.1593729518. The cubic root of 1705125011 is about 1194.6813248979.

The spelling of 1705125011 in words is "one billion, seven hundred five million, one hundred twenty-five thousand, eleven".