11151222338 has 4 divisors (see below), whose sum is σ = 16726833510. Its totient is φ = 5575611168.

The previous prime is 11151222331. The next prime is 11151222367. The reversal of 11151222338 is 83322215111.

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., 8722999609 + 2428222729 = 93397^2 + 49277^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 11151222338.

It is not an unprimeable number, because it can be changed into a prime (11151222331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2787805583 + ... + 2787805586.

Almost surely, 2^11151222338 is an apocalyptic number.

11151222338 is a deficient number, since it is larger than the sum of its proper divisors (5575611172).

11151222338 is an equidigital number, since it uses as much as digits as its factorization.

11151222338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5575611171.

The product of its digits is 2880, while the sum is 29.

Adding to 11151222338 its reverse (83322215111), we get a palindrome (94473437449).

The spelling of 11151222338 in words is "eleven billion, one hundred fifty-one million, two hundred twenty-two thousand, three hundred thirty-eight".