56119870242 has 18 divisors (see below), whose sum is σ = 121595229873. Its totient is φ = 18706288392.

The previous prime is 56119870237. The next prime is 56119870259. The reversal of 56119870242 is 24207891165.

56119870242 is a `hidden beast` number, since 5 + 611 + 9 + 8 + 7 + 0 + 24 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 54060435081 + 2059435161 = 232509^2 + 45381^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=167511.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 977148 + ... + 1032984.

Almost surely, 2^56119870242 is an apocalyptic number.

56119870242 is an abundant number, since it is smaller than the sum of its proper divisors (65475359631).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56119870242 is an frugal number, since it uses more digits than its factorization.

56119870242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111682 (or 55842 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The spelling of 56119870242 in words is "fifty-six billion, one hundred nineteen million, eight hundred seventy thousand, two hundred forty-two".