11153381 has 2 divisors, whose sum is σ = 11153382. Its totient is φ = 11153380.

The previous prime is 11153347. The next prime is 11153407. The reversal of 11153381 is 18335111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8797156 + 2356225 = 2966^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 11153381 - 2¹⁴ = 11136997 is a prime.

It is a super-2 number, since 2×11153381² = 248795815462322, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11153341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5576690 + 5576691.

It is an arithmetic number, because the mean of its divisors is an integer number (5576691).

Almost surely, 2^11153381 is an apocalyptic number.

It is an amenable number.

11153381 is a deficient number, since it is larger than the sum of its proper divisors (1).

11153381 is an equidigital number, since it uses as much as digits as its factorization.

11153381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 23.

The square root of 11153381 is about 3339.6677978506. The cubic root of 11153381 is about 223.4269271832.

Adding to 11153381 its reverse (18335111), we get a palindrome (29488492).

The spelling of 11153381 in words is "eleven million, one hundred fifty-three thousand, three hundred eighty-one".