5661205275 has 192 divisors, whose sum is σ = 11570688000. Its totient is φ = 2408448000.

The previous prime is 5661205259. The next prime is 5661205279. The reversal of 5661205275 is 5725021665.

It is not a de Polignac number, because 5661205275 - 2⁴ = 5661205259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5661205279) by changing a digit.

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 191 ways as a sum of consecutive naturals, for example, 12608251 + ... + 12608699.

It is an arithmetic number, because the mean of its divisors is an integer number (60264000).

Almost surely, 2^5661205275 is an apocalyptic number.

5661205275 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5661205275 is an abundant number, since it is smaller than the sum of its proper divisors (5909482725).

5661205275 is a wasteful number, since it uses less digits than its factorization.

5661205275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 5661205275 is about 75240.9813532492. The cubic root of 5661205275 is about 1782.2541482580.

The spelling of 5661205275 in words is "five billion, six hundred sixty-one million, two hundred five thousand, two hundred seventy-five".