5561061356 has 12 divisors (see below), whose sum is σ = 10045788480. Its totient is φ = 2690836080.

The previous prime is 5561061353. The next prime is 5561061367. The reversal of 5561061356 is 6531601655.

It is not an unprimeable number, because it can be changed into a prime (5561061353) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22423511 + ... + 22423758.

It is an arithmetic number, because the mean of its divisors is an integer number (837149040).

Almost surely, 2^5561061356 is an apocalyptic number.

It is an amenable number.

5561061356 is a deficient number, since it is larger than the sum of its proper divisors (4484727124).

5561061356 is a wasteful number, since it uses less digits than its factorization.

5561061356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44847304 (or 44847302 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 38.

The square root of 5561061356 is about 74572.5241359041. The cubic root of 5561061356 is about 1771.6825007334.

The spelling of 5561061356 in words is "five billion, five hundred sixty-one million, sixty-one thousand, three hundred fifty-six".