5661125108 has 12 divisors (see below), whose sum is σ = 9916566660. Its totient is φ = 2827820352.

The previous prime is 5661125101. The next prime is 5661125111. The reversal of 5661125108 is 8015211665.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4236968464 + 1424156644 = 65092^2 + 37738^2 .

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5661125101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 680903 + ... + 689166.

It is an arithmetic number, because the mean of its divisors is an integer number (826380555).

Almost surely, 2^5661125108 is an apocalyptic number.

It is an amenable number.

5661125108 is a deficient number, since it is larger than the sum of its proper divisors (4255441552).

5661125108 is a wasteful number, since it uses less digits than its factorization.

5661125108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371106 (or 1371104 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 35.

The square root of 5661125108 is about 75240.4486164191. The cubic root of 5661125108 is about 1782.2457355240.

The spelling of 5661125108 in words is "five billion, six hundred sixty-one million, one hundred twenty-five thousand, one hundred eight".