561332662027142 has 16 divisors (see below), whose sum is σ = 914905527244800. Its totient is φ = 257317179536520.

The previous prime is 561332662027133. The next prime is 561332662027171. The reversal of 561332662027142 is 241720266233165.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238256646542 + ... + 238256648897.

It is an arithmetic number, because the mean of its divisors is an integer number (57181595452800).

Almost surely, 2^{561332662027142} is an apocalyptic number.

561332662027142 is a deficient number, since it is larger than the sum of its proper divisors (353572865217658).

561332662027142 is a wasteful number, since it uses less digits than its factorization.

561332662027142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476513295491.

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 561332662027142 in words is "five hundred sixty-one trillion, three hundred thirty-two billion, six hundred sixty-two million, twenty-seven thousand, one hundred forty-two".