56002120011 has 16 divisors (see below), whose sum is σ = 82972346400. Its totient is φ = 37331937504.

The previous prime is 56002119983. The next prime is 56002120049. The reversal of 56002120011 is 11002120065.

56002120011 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 56002120011 - 2¹⁰ = 56002118987 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56002120051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 325365 + ... + 466761.

It is an arithmetic number, because the mean of its divisors is an integer number (5185771650).

Almost surely, 2^56002120011 is an apocalyptic number.

56002120011 is a deficient number, since it is larger than the sum of its proper divisors (26970226389).

56002120011 is a wasteful number, since it uses less digits than its factorization.

56002120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156075 (or 156069 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

Adding to 56002120011 its reverse (11002120065), we get a palindrome (67004240076).

The spelling of 56002120011 in words is "fifty-six billion, two million, one hundred twenty thousand, eleven".