56061065161 has 4 divisors (see below), whose sum is σ = 56130191824. Its totient is φ = 55991938500.

The previous prime is 56061065149. The next prime is 56061065183. The reversal of 56061065161 is 16156016065.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56061065161 - 2¹⁹ = 56060540873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56061065161.

It is not an unprimeable number, because it can be changed into a prime (56061065111) 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, 34562115 + ... + 34563736.

It is an arithmetic number, because the mean of its divisors is an integer number (14032547956).

Almost surely, 2^56061065161 is an apocalyptic number.

It is an amenable number.

56061065161 is a deficient number, since it is larger than the sum of its proper divisors (69126663).

56061065161 is an equidigital number, since it uses as much as digits as its factorization.

56061065161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69126662.

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 56061065161 in words is "fifty-six billion, sixty-one million, sixty-five thousand, one hundred sixty-one".