556506001013 has 16 divisors (see below), whose sum is σ = 587249880000. Its totient is φ = 525908557440.

The previous prime is 556506001003. The next prime is 556506001019. The reversal of 556506001013 is 310100605655.

556506001013 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 556506001013 - 2³⁴ = 539326131829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556506001019) 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, 21613295 + ... + 21639027.

It is an arithmetic number, because the mean of its divisors is an integer number (36703117500).

Almost surely, 2^556506001013 is an apocalyptic number.

It is an amenable number.

556506001013 is a deficient number, since it is larger than the sum of its proper divisors (30743878987).

556506001013 is a wasteful number, since it uses less digits than its factorization.

556506001013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28532.

The product of its (nonzero) digits is 13500, while the sum is 32.

Adding to 556506001013 its reverse (310100605655), we get a palindrome (866606606668).

The spelling of 556506001013 in words is "five hundred fifty-six billion, five hundred six million, one thousand, thirteen".