5571249136 has 20 divisors (see below), whose sum is σ = 10799811000. Its totient is φ = 2784201152.

The previous prime is 5571249107. The next prime is 5571249169. The reversal of 5571249136 is 6319421755.

It is a junction number, because it is equal to n+sod(n) for n = 5571249092 and 5571249101.

It is a congruent number.

It is an unprimeable number.

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, 56311 + ... + 119638.

It is an arithmetic number, because the mean of its divisors is an integer number (539990550).

Almost surely, 2^5571249136 is an apocalyptic number.

It is an amenable number.

5571249136 is a deficient number, since it is larger than the sum of its proper divisors (5228561864).

5571249136 is a wasteful number, since it uses less digits than its factorization.

5571249136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177936 (or 177930 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 5571249136 is about 74640.8007459727. The cubic root of 5571249136 is about 1772.7637392149.

The spelling of 5571249136 in words is "five billion, five hundred seventy-one million, two hundred forty-nine thousand, one hundred thirty-six".