11381153 has 4 divisors (see below), whose sum is σ = 13007040. Its totient is φ = 9755268.

The previous prime is 11381147. The next prime is 11381173. The reversal of 11381153 is 35118311.

11381153 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11381153 - 2¹² = 11377057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11381173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 812933 + ... + 812946.

It is an arithmetic number, because the mean of its divisors is an integer number (3251760).

Almost surely, 2^11381153 is an apocalyptic number.

It is an amenable number.

11381153 is a deficient number, since it is larger than the sum of its proper divisors (1625887).

11381153 is an equidigital number, since it uses as much as digits as its factorization.

11381153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1625886.

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

The square root of 11381153 is about 3373.5964488955. The cubic root of 11381153 is about 224.9376156265.

Adding to 11381153 its reverse (35118311), we get a palindrome (46499464).

The spelling of 11381153 in words is "eleven million, three hundred eighty-one thousand, one hundred fifty-three".