56140267121 has 4 divisors (see below), whose sum is σ = 56149819044. Its totient is φ = 56130715200.

The previous prime is 56140267103. The next prime is 56140267193. The reversal of 56140267121 is 12176204165.

56140267121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45207264400 + 10933002721 = 212620^2 + 104561^2 .

It is a cyclic number.

It is not a de Polignac number, because 56140267121 - 2¹⁰ = 56140266097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56140266121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767140 + ... + 4778901.

It is an arithmetic number, because the mean of its divisors is an integer number (14037454761).

Almost surely, 2^56140267121 is an apocalyptic number.

It is an amenable number.

56140267121 is a deficient number, since it is larger than the sum of its proper divisors (9551923).

56140267121 is an equidigital number, since it uses as much as digits as its factorization.

56140267121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9551922.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 56140267121 in words is "fifty-six billion, one hundred forty million, two hundred sixty-seven thousand, one hundred twenty-one".