11506151 has 4 divisors (see below), whose sum is σ = 11515152. Its totient is φ = 11497152.

The previous prime is 11506139. The next prime is 11506163. The reversal of 11506151 is 15160511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is an interprime number because it is at equal distance from previous prime (11506139) and next prime (11506163).

It is a cyclic number.

It is not a de Polignac number, because 11506151 - 2⁶ = 11506087 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 (11506171) 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, 2186 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (2878788).

Almost surely, 2^11506151 is an apocalyptic number.

11506151 is a deficient number, since it is larger than the sum of its proper divisors (9001).

11506151 is an equidigital number, since it uses as much as digits as its factorization.

11506151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9000.

The product of its (nonzero) digits is 150, while the sum is 20.

The square root of 11506151 is about 3392.0717857970. The cubic root of 11506151 is about 225.7581078075.

Adding to 11506151 its reverse (15160511), we get a palindrome (26666662).

The spelling of 11506151 in words is "eleven million, five hundred six thousand, one hundred fifty-one".