5661181252 has 48 divisors (see below), whose sum is σ = 10569968640. Its totient is φ = 2645449632.

The previous prime is 5661181247. The next prime is 5661181261. The reversal of 5661181252 is 2521811665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2137393 + ... + 2140039.

It is an arithmetic number, because the mean of its divisors is an integer number (220207680).

Almost surely, 2^5661181252 is an apocalyptic number.

It is an amenable number.

5661181252 is a deficient number, since it is larger than the sum of its proper divisors (4908787388).

5661181252 is a wasteful number, since it uses less digits than its factorization.

5661181252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3040 (or 3038 counting only the distinct ones).

The product of its digits is 28800, while the sum is 37.

The square root of 5661181252 is about 75240.8217126847. The cubic root of 5661181252 is about 1782.2516272900.

The spelling of 5661181252 in words is "five billion, six hundred sixty-one million, one hundred eighty-one thousand, two hundred fifty-two".