56142214167561 has 16 divisors (see below), whose sum is σ = 75248696770560. Its totient is φ = 37231939742480.

The previous prime is 56142214167547. The next prime is 56142214167563. The reversal of 56142214167561 is 16576141224165.

56142214167561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 56142214167561 - 2⁶ = 56142214167497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56142214167563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142410826 + ... + 142804508.

It is an arithmetic number, because the mean of its divisors is an integer number (4703043548160).

Almost surely, 2^{56142214167561} is an apocalyptic number.

It is an amenable number.

56142214167561 is a deficient number, since it is larger than the sum of its proper divisors (19106482602999).

56142214167561 is a wasteful number, since it uses less digits than its factorization.

56142214167561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642756.

The product of its digits is 2419200, while the sum is 51.

The spelling of 56142214167561 in words is "fifty-six trillion, one hundred forty-two billion, two hundred fourteen million, one hundred sixty-seven thousand, five hundred sixty-one".