10556055005501 has 4 divisors (see below), whose sum is σ = 10557671807100. Its totient is φ = 10554438203904.

The previous prime is 10556055005437. The next prime is 10556055005539. The reversal of 10556055005501 is 10550055065501.

It is a happy number.

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 6220085880100 + 4335969125401 = 2494010^2 + 2082299^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556055005501 - 2⁶ = 10556055005437 is a prime.

It is a super-2 number, since 2×10556055005501² (a number of 27 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 (10556055005591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808391006 + ... + 808404063.

It is an arithmetic number, because the mean of its divisors is an integer number (2639417951775).

Almost surely, 2^{10556055005501} is an apocalyptic number.

It is an amenable number.

10556055005501 is a deficient number, since it is larger than the sum of its proper divisors (1616801599).

10556055005501 is an equidigital number, since it uses as much as digits as its factorization.

10556055005501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1616801598.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 10556055005501 in words is "ten trillion, five hundred fifty-six billion, fifty-five million, five thousand, five hundred one".