11151197 has 4 divisors (see below), whose sum is σ = 11170176. Its totient is φ = 11132220.

The previous prime is 11151193. The next prime is 11151209. The reversal of 11151197 is 79115111.

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, and also an emirpimes, since its reverse is a distinct semiprime: 79115111 = 1301 ⋅60811.

It is a cyclic number.

It is not a de Polignac number, because 11151197 - 2² = 11151193 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 (11151191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8579 + ... + 9792.

It is an arithmetic number, because the mean of its divisors is an integer number (2792544).

Almost surely, 2^11151197 is an apocalyptic number.

It is an amenable number.

11151197 is a deficient number, since it is larger than the sum of its proper divisors (18979).

11151197 is an equidigital number, since it uses as much as digits as its factorization.

11151197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18978.

The product of its digits is 315, while the sum is 26.

The square root of 11151197 is about 3339.3408032125. The cubic root of 11151197 is about 223.4123427786.

The spelling of 11151197 in words is "eleven million, one hundred fifty-one thousand, one hundred ninety-seven".