56105050009987 has 16 divisors (see below), whose sum is σ = 64846413244512. Its totient is φ = 47974261547520.

The previous prime is 56105050009963. The next prime is 56105050009997. The reversal of 56105050009987 is 78990005050165.

56105050009987 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 56105050009987 - 2¹¹ = 56105050007939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56105050009937) 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, 93635928 + ... + 94233205.

It is an arithmetic number, because the mean of its divisors is an integer number (4052900827782).

Almost surely, 2^{56105050009987} is an apocalyptic number.

56105050009987 is a deficient number, since it is larger than the sum of its proper divisors (8741363234525).

56105050009987 is a wasteful number, since it uses less digits than its factorization.

56105050009987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187870758.

The product of its (nonzero) digits is 3402000, while the sum is 55.

The spelling of 56105050009987 in words is "fifty-six trillion, one hundred five billion, fifty million, nine thousand, nine hundred eighty-seven".