11822151 has 16 divisors (see below), whose sum is σ = 17371008. Its totient is φ = 7092000.

The previous prime is 11822149. The next prime is 11822177. The reversal of 11822151 is 15122811.

It is not a de Polignac number, because 11822151 - 2¹ = 11822149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1560 + ... + 5106.

It is an arithmetic number, because the mean of its divisors is an integer number (1085688).

Almost surely, 2^11822151 is an apocalyptic number.

11822151 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11822151 is a deficient number, since it is larger than the sum of its proper divisors (5548857).

11822151 is a wasteful number, since it uses less digits than its factorization.

11822151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its digits is 160, while the sum is 21.

The square root of 11822151 is about 3438.3354984643. The cubic root of 11822151 is about 227.8061795417.

Adding to 11822151 its reverse (15122811), we get a palindrome (26944962).

It can be divided in two parts, 1182 and 2151, that added together give a palindrome (3333).

The spelling of 11822151 in words is "eleven million, eight hundred twenty-two thousand, one hundred fifty-one".