56106055161 has 32 divisors (see below), whose sum is σ = 89671021440. Its totient is φ = 34466212800.

The previous prime is 56106055151. The next prime is 56106055189. The reversal of 56106055161 is 16155060165.

It is a de Polignac number, because none of the positive numbers 2^k-56106055161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56106055121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 60451 + ... + 340391.

It is an arithmetic number, because the mean of its divisors is an integer number (2802219420).

Almost surely, 2^56106055161 is an apocalyptic number.

It is an amenable number.

56106055161 is a deficient number, since it is larger than the sum of its proper divisors (33564966279).

56106055161 is a wasteful number, since it uses less digits than its factorization.

56106055161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280534 (or 280528 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 56106055161 in words is "fifty-six billion, one hundred six million, fifty-five thousand, one hundred sixty-one".