10555228018 has 4 divisors (see below), whose sum is σ = 15832842030. Its totient is φ = 5277614008.

The previous prime is 10555228007. The next prime is 10555228031. The reversal of 10555228018 is 81082255501.

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

It can be written as a sum of positive squares in only one way, i.e., 10544619969 + 10608049 = 102687^2 + 3257^2 .

It is a super-2 number, since 2×10555228018² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2638807003 + ... + 2638807006.

Almost surely, 2^10555228018 is an apocalyptic number.

10555228018 is a deficient number, since it is larger than the sum of its proper divisors (5277614012).

10555228018 is an equidigital number, since it uses as much as digits as its factorization.

10555228018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5277614011.

The product of its (nonzero) digits is 32000, while the sum is 37.

The spelling of 10555228018 in words is "ten billion, five hundred fifty-five million, two hundred twenty-eight thousand, eighteen".