5561396042 has 16 divisors (see below), whose sum is σ = 8366789472. Its totient is φ = 2772478800.

The previous prime is 5561396041. The next prime is 5561396051. The reversal of 5561396042 is 2406931655.

It is not an unprimeable number, because it can be changed into a prime (5561396041) 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 7 ways as a sum of consecutive naturals, for example, 1193417 + ... + 1198067.

It is an arithmetic number, because the mean of its divisors is an integer number (522924342).

Almost surely, 2^5561396042 is an apocalyptic number.

5561396042 is a deficient number, since it is larger than the sum of its proper divisors (2805393430).

5561396042 is a wasteful number, since it uses less digits than its factorization.

5561396042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6293.

The product of its (nonzero) digits is 194400, while the sum is 41.

The square root of 5561396042 is about 74574.7681323918. The cubic root of 5561396042 is about 1771.7180422363.

The spelling of 5561396042 in words is "five billion, five hundred sixty-one million, three hundred ninety-six thousand, forty-two".