5781115069 has 4 divisors (see below), whose sum is σ = 5781309820. Its totient is φ = 5780920320.

The previous prime is 5781115051. The next prime is 5781115097. The reversal of 5781115069 is 9605111875.

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 3317184025 + 2463931044 = 57595^2 + 49638^2 .

It is a cyclic number.

It is not a de Polignac number, because 5781115069 - 2⁵ = 5781115037 is a prime.

It is a super-2 number, since 2×5781115069² = 66842582882037749522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5781115049) 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, 42564 + ... + 115645.

It is an arithmetic number, because the mean of its divisors is an integer number (1445327455).

Almost surely, 2^5781115069 is an apocalyptic number.

It is an amenable number.

5781115069 is a deficient number, since it is larger than the sum of its proper divisors (194751).

5781115069 is a wasteful number, since it uses less digits than its factorization.

5781115069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194750.

The product of its (nonzero) digits is 75600, while the sum is 43.

The square root of 5781115069 is about 76033.6443227602. The cubic root of 5781115069 is about 1794.7496249970.

The spelling of 5781115069 in words is "five billion, seven hundred eighty-one million, one hundred fifteen thousand, sixty-nine".