11355161 has 4 divisors (see below), whose sum is σ = 11461392. Its totient is φ = 11248932.

The previous prime is 11355151. The next prime is 11355181. The reversal of 11355161 is 16155311.

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 a de Polignac number, because none of the positive numbers 2^k-11355161 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 (11355151) 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, 52955 + ... + 53168.

It is an arithmetic number, because the mean of its divisors is an integer number (2865348).

Almost surely, 2^11355161 is an apocalyptic number.

It is an amenable number.

11355161 is a deficient number, since it is larger than the sum of its proper divisors (106231).

11355161 is a wasteful number, since it uses less digits than its factorization.

11355161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106230.

The product of its digits is 450, while the sum is 23.

The square root of 11355161 is about 3369.7419782529. The cubic root of 11355161 is about 224.7662494237.

The spelling of 11355161 in words is "eleven million, three hundred fifty-five thousand, one hundred sixty-one".