56113450013 has 4 divisors (see below), whose sum is σ = 56669028828. Its totient is φ = 55557871200.

The previous prime is 56113450007. The next prime is 56113450027. The reversal of 56113450013 is 31005431165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31005431165 = 5 ⋅6201086233.

It can be written as a sum of positive squares in 2 ways, for example, as 40915984729 + 15197465284 = 202277^2 + 123278^2 .

It is a cyclic number.

It is not a de Polignac number, because 56113450013 - 2⁸ = 56113449757 is a prime.

It is a super-2 number, since 2×56113450013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56113453013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277789256 + ... + 277789457.

It is an arithmetic number, because the mean of its divisors is an integer number (14167257207).

Almost surely, 2^56113450013 is an apocalyptic number.

It is an amenable number.

56113450013 is a deficient number, since it is larger than the sum of its proper divisors (555578815).

56113450013 is a wasteful number, since it uses less digits than its factorization.

56113450013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555578814.

The product of its (nonzero) digits is 5400, while the sum is 29.

Adding to 56113450013 its reverse (31005431165), we get a palindrome (87118881178).

The spelling of 56113450013 in words is "fifty-six billion, one hundred thirteen million, four hundred fifty thousand, thirteen".