11138273 has 2 divisors, whose sum is σ = 11138274. Its totient is φ = 11138272.

The previous prime is 11138263. The next prime is 11138287. The reversal of 11138273 is 37283111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11135569 + 2704 = 3337^2 + 52^2 .

It is a cyclic number.

It is not a de Polignac number, because 11138273 - 2²⁰ = 10089697 is a prime.

It is a super-2 number, since 2×11138273² = 248122250845058, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11138203) 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, 5569136 + 5569137.

It is an arithmetic number, because the mean of its divisors is an integer number (5569137).

Almost surely, 2^11138273 is an apocalyptic number.

It is an amenable number.

11138273 is a deficient number, since it is larger than the sum of its proper divisors (1).

11138273 is an equidigital number, since it uses as much as digits as its factorization.

11138273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1008, while the sum is 26.

The square root of 11138273 is about 3337.4051297378. The cubic root of 11138273 is about 223.3259993631.

It can be divided in two parts, 11138 and 273, that added together give a palindrome (11411).

The spelling of 11138273 in words is "eleven million, one hundred thirty-eight thousand, two hundred seventy-three".