11371553 has 2 divisors, whose sum is σ = 11371554. Its totient is φ = 11371552.

The previous prime is 11371541. The next prime is 11371561. The reversal of 11371553 is 35517311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7772944 + 3598609 = 2788^2 + 1897^2 .

It is a cyclic number.

It is not a de Polignac number, because 11371553 - 2¹⁶ = 11306017 is a prime.

It is not a weakly prime, because it can be changed into another prime (11371523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5685776 + 5685777.

It is an arithmetic number, because the mean of its divisors is an integer number (5685777).

Almost surely, 2^11371553 is an apocalyptic number.

It is an amenable number.

11371553 is a deficient number, since it is larger than the sum of its proper divisors (1).

11371553 is an equidigital number, since it uses as much as digits as its factorization.

11371553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1575, while the sum is 26.

The square root of 11371553 is about 3372.1733348095. The cubic root of 11371553 is about 224.8743528930.

Adding to 11371553 its reverse (35517311), we get a palindrome (46888864).

The spelling of 11371553 in words is "eleven million, three hundred seventy-one thousand, five hundred fifty-three".