11165151 has 4 divisors (see below), whose sum is σ = 14886872. Its totient is φ = 7443432.

The previous prime is 11165137. The next prime is 11165153. The reversal of 11165151 is 15156111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15156111 = 3 ⋅5052037.

It is a de Polignac number, because none of the positive numbers 2^k-11165151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11165153) 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, 1860856 + ... + 1860861.

It is an arithmetic number, because the mean of its divisors is an integer number (3721718).

Almost surely, 2^11165151 is an apocalyptic number.

11165151 is a deficient number, since it is larger than the sum of its proper divisors (3721721).

11165151 is an equidigital number, since it uses as much as digits as its factorization.

11165151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3721720.

The product of its digits is 150, while the sum is 21.

The square root of 11165151 is about 3341.4294845171. The cubic root of 11165151 is about 223.5054926106.

The spelling of 11165151 in words is "eleven million, one hundred sixty-five thousand, one hundred fifty-one".