5611728436 has 12 divisors (see below), whose sum is σ = 9857034180. Its totient is φ = 2795432960.

The previous prime is 5611728389. The next prime is 5611728449. The reversal of 5611728436 is 6348271165.

It can be written as a sum of positive squares in 2 ways, for example, as 2159460900 + 3452267536 = 46470^2 + 58756^2 .

It is a super-2 number, since 2×5611728436² = 62982992078822012192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 5611728392 and 5611728401.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2606605 + ... + 2608756.

It is an arithmetic number, because the mean of its divisors is an integer number (821419515).

Almost surely, 2^5611728436 is an apocalyptic number.

It is an amenable number.

5611728436 is a deficient number, since it is larger than the sum of its proper divisors (4245305744).

5611728436 is a wasteful number, since it uses less digits than its factorization.

5611728436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215634 (or 5215632 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 5611728436 is about 74911.4706570362. The cubic root of 5611728436 is about 1777.0468682070.

The spelling of 5611728436 in words is "five billion, six hundred eleven million, seven hundred twenty-eight thousand, four hundred thirty-six".