5115561706 has 4 divisors (see below), whose sum is σ = 7673342562. Its totient is φ = 2557780852.

The previous prime is 5115561701. The next prime is 5115561713. The reversal of 5115561706 is 6071655115.

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

It can be written as a sum of positive squares in only one way, i.e., 5068158481 + 47403225 = 71191^2 + 6885^2 .

It is not an unprimeable number, because it can be changed into a prime (5115561701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1278890425 + ... + 1278890428.

Almost surely, 2^5115561706 is an apocalyptic number.

5115561706 is a deficient number, since it is larger than the sum of its proper divisors (2557780856).

5115561706 is a wasteful number, since it uses less digits than its factorization.

5115561706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2557780855.

The product of its (nonzero) digits is 31500, while the sum is 37.

The square root of 5115561706 is about 71523.1550338770. The cubic root of 5115561706 is about 1723.0495864605.

The spelling of 5115561706 in words is "five billion, one hundred fifteen million, five hundred sixty-one thousand, seven hundred six".