10557675785 has 4 divisors (see below), whose sum is σ = 12669210948. Its totient is φ = 8446140624.

The previous prime is 10557675731. The next prime is 10557675787. The reversal of 10557675785 is 58757675501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6424343104 + 4133332681 = 80152^2 + 64291^2 .

It is a cyclic number.

It is not a de Polignac number, because 10557675785 - 2⁶ = 10557675721 is a prime.

It is a super-2 number, since 2×10557675785² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

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 10557675785.

It is not an unprimeable number, because it can be changed into a prime (10557675787) 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, 1055767574 + ... + 1055767583.

It is an arithmetic number, because the mean of its divisors is an integer number (3167302737).

Almost surely, 2^10557675785 is an apocalyptic number.

It is an amenable number.

10557675785 is a deficient number, since it is larger than the sum of its proper divisors (2111535163).

10557675785 is an equidigital number, since it uses as much as digits as its factorization.

10557675785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2111535162.

The product of its (nonzero) digits is 10290000, while the sum is 56.

The spelling of 10557675785 in words is "ten billion, five hundred fifty-seven million, six hundred seventy-five thousand, seven hundred eighty-five".