11161151 has 4 divisors (see below), whose sum is σ = 11748600. Its totient is φ = 10573704.

The previous prime is 11161127. The next prime is 11161153. The reversal of 11161151 is 15116111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11161151 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 (11161153) 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, 293696 + ... + 293733.

It is an arithmetic number, because the mean of its divisors is an integer number (2937150).

Almost surely, 2^11161151 is an apocalyptic number.

11161151 is a deficient number, since it is larger than the sum of its proper divisors (587449).

11161151 is an equidigital number, since it uses as much as digits as its factorization.

11161151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587448.

The product of its digits is 30, while the sum is 17.

The square root of 11161151 is about 3340.8308846752. The cubic root of 11161151 is about 223.4787985768.

Adding to 11161151 its reverse (15116111), we get a palindrome (26277262).

The spelling of 11161151 in words is "eleven million, one hundred sixty-one thousand, one hundred fifty-one".