11155002226 has 4 divisors (see below), whose sum is σ = 16732503342. Its totient is φ = 5577501112.

The previous prime is 11155002181. The next prime is 11155002253. The reversal of 11155002226 is 62220055111.

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., 10743115201 + 411887025 = 103649^2 + 20295^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11155002226.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2788750555 + ... + 2788750558.

Almost surely, 2^11155002226 is an apocalyptic number.

11155002226 is a deficient number, since it is larger than the sum of its proper divisors (5577501116).

11155002226 is an equidigital number, since it uses as much as digits as its factorization.

11155002226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577501115.

The product of its (nonzero) digits is 1200, while the sum is 25.

Adding to 11155002226 its reverse (62220055111), we get a palindrome (73375057337).

The spelling of 11155002226 in words is "eleven billion, one hundred fifty-five million, two thousand, two hundred twenty-six".