11051671 has 4 divisors (see below), whose sum is σ = 11078344. Its totient is φ = 11025000.

The previous prime is 11051669. The next prime is 11051681. The reversal of 11051671 is 17615011.

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

It is a 5-Lehmer number, since φ(11051671) divides (11051671-1)⁵.

It is a cyclic number.

It is not a de Polignac number, because 11051671 - 2¹ = 11051669 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 (11051611) 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 3 ways as a sum of consecutive naturals, for example, 12705 + ... + 13546.

It is an arithmetic number, because the mean of its divisors is an integer number (2769586).

Almost surely, 2^11051671 is an apocalyptic number.

11051671 is a deficient number, since it is larger than the sum of its proper divisors (26673).

11051671 is an equidigital number, since it uses as much as digits as its factorization.

11051671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26672.

The product of its (nonzero) digits is 210, while the sum is 22.

The square root of 11051671 is about 3324.4053603615. The cubic root of 11051671 is about 222.7456933309.

Adding to 11051671 its reverse (17615011), we get a palindrome (28666682).

The spelling of 11051671 in words is "eleven million, fifty-one thousand, six hundred seventy-one".