56105601000999 has 32 divisors (see below), whose sum is σ = 86409575207424. Its totient is φ = 32002843361280.

The previous prime is 56105601000979. The next prime is 56105601001019. The reversal of 56105601000999 is 99900010650165.

It is a happy number.

56105601000999 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56105601000979) and next prime (56105601001019).

It is not a de Polignac number, because 56105601000999 - 2⁴³ = 47309507978791 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56105601000929) 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 31 ways as a sum of consecutive naturals, for example, 55703527 + ... + 56701799.

It is an arithmetic number, because the mean of its divisors is an integer number (2700299225232).

Almost surely, 2^{56105601000999} is an apocalyptic number.

56105601000999 is a deficient number, since it is larger than the sum of its proper divisors (30303974206425).

56105601000999 is a wasteful number, since it uses less digits than its factorization.

56105601000999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098487.

The product of its (nonzero) digits is 656100, while the sum is 51.

The spelling of 56105601000999 in words is "fifty-six trillion, one hundred five billion, six hundred one million, nine hundred ninety-nine", and thus it is an aban number.