561601342142 has 16 divisors (see below), whose sum is σ = 843267924720. Its totient is φ = 280512117312.

The previous prime is 561601342067. The next prime is 561601342153. The reversal of 561601342142 is 241243106165.

It is a congruent number.

It is an unprimeable number.

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, 16853834 + ... + 16887122.

It is an arithmetic number, because the mean of its divisors is an integer number (52704245295).

Almost surely, 2^561601342142 is an apocalyptic number.

561601342142 is a deficient number, since it is larger than the sum of its proper divisors (281666582578).

561601342142 is a wasteful number, since it uses less digits than its factorization.

561601342142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41707.

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 561601342142 in words is "five hundred sixty-one billion, six hundred one million, three hundred forty-two thousand, one hundred forty-two".