11966151 has 4 divisors (see below), whose sum is σ = 15954872. Its totient is φ = 7977432.

The previous prime is 11966111. The next prime is 11966159. The reversal of 11966151 is 15166911.

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

It is not a de Polignac number, because 11966151 - 2⁷ = 11966023 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 (11966159) 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, 1994356 + ... + 1994361.

It is an arithmetic number, because the mean of its divisors is an integer number (3988718).

Almost surely, 2^11966151 is an apocalyptic number.

11966151 is a deficient number, since it is larger than the sum of its proper divisors (3988721).

11966151 is an equidigital number, since it uses as much as digits as its factorization.

11966151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3988720.

The product of its digits is 1620, while the sum is 30.

The square root of 11966151 is about 3459.2124826324. The cubic root of 11966151 is about 228.7273822781.

The spelling of 11966151 in words is "eleven million, nine hundred sixty-six thousand, one hundred fifty-one".