10556144441 has 4 divisors (see below), whose sum is σ = 11177094132. Its totient is φ = 9935194752.

The previous prime is 10556144419. The next prime is 10556144471. The reversal of 10556144441 is 14444165501.

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 2883260416 + 7672884025 = 53696^2 + 87595^2 .

It is a cyclic number.

It is not a de Polignac number, because 10556144441 - 2¹⁴ = 10556128057 is a prime.

It is a super-2 number, since 2×10556144441² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10556144471) 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, 310474820 + ... + 310474853.

It is an arithmetic number, because the mean of its divisors is an integer number (2794273533).

Almost surely, 2^10556144441 is an apocalyptic number.

It is an amenable number.

10556144441 is a deficient number, since it is larger than the sum of its proper divisors (620949691).

10556144441 is an equidigital number, since it uses as much as digits as its factorization.

10556144441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620949690.

The product of its (nonzero) digits is 38400, while the sum is 35.

The spelling of 10556144441 in words is "ten billion, five hundred fifty-six million, one hundred forty-four thousand, four hundred forty-one".