11371138 has 4 divisors (see below), whose sum is σ = 17056710. Its totient is φ = 5685568.

The previous prime is 11371123. The next prime is 11371153. The reversal of 11371138 is 83117311.

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

It is an interprime number because it is at equal distance from previous prime (11371123) and next prime (11371153).

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 4678569 = 2587^2 + 2163^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2842783 + ... + 2842786.

Almost surely, 2^11371138 is an apocalyptic number.

11371138 is a deficient number, since it is larger than the sum of its proper divisors (5685572).

11371138 is an equidigital number, since it uses as much as digits as its factorization.

11371138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5685571.

The product of its digits is 504, while the sum is 25.

The square root of 11371138 is about 3372.1118012308. Note that the first 3 decimals coincide. The cubic root of 11371138 is about 224.8716172951.

Adding to 11371138 its reverse (83117311), we get a palindrome (94488449).

The spelling of 11371138 in words is "eleven million, three hundred seventy-one thousand, one hundred thirty-eight".