56155422455165 has 16 divisors (see below), whose sum is σ = 73512713877120. Its totient is φ = 40840217881920.

The previous prime is 56155422455141. The next prime is 56155422455183.

56155422455165 is nontrivially palindromic in base 10.

56155422455165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56155422455165 - 2⁸ = 56155422454909 is a prime.

It is a super-2 number, since 2×56155422455165² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 56155422455165.

It is a congruent number.

It is an unprimeable number.

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, 34454027 + ... + 36047063.

It is an arithmetic number, because the mean of its divisors is an integer number (4594544617320).

Almost surely, 2^{56155422455165} is an apocalyptic number.

56155422455165 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56155422455165 is a deficient number, since it is larger than the sum of its proper divisors (17357291421955).

56155422455165 is a wasteful number, since it uses less digits than its factorization.

56155422455165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2233972.

The product of its digits is 36000000, while the sum is 56.

The spelling of 56155422455165 in words is "fifty-six trillion, one hundred fifty-five billion, four hundred twenty-two million, four hundred fifty-five thousand, one hundred sixty-five".