11161055 has 8 divisors (see below), whose sum is σ = 13516800. Its totient is φ = 8846496.

The previous prime is 11161021. The next prime is 11161057. The reversal of 11161055 is 55016111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11161055 - 2⁶ = 11160991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11161057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9695 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (1689600).

Almost surely, 2^11161055 is an apocalyptic number.

11161055 is a deficient number, since it is larger than the sum of its proper divisors (2355745).

11161055 is a wasteful number, since it uses less digits than its factorization.

11161055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20593.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 11161055 is about 3340.8165169611. The cubic root of 11161055 is about 223.4781578416.

Adding to 11161055 its reverse (55016111), we get a palindrome (66177166).

The spelling of 11161055 in words is "eleven million, one hundred sixty-one thousand, fifty-five".