13811051 has 2 divisors, whose sum is σ = 13811052. Its totient is φ = 13811050.

The previous prime is 13811029. The next prime is 13811053. The reversal of 13811051 is 15011831.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13811051 - 2¹⁸ = 13548907 is a prime.

Together with 13811053, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13811053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6905525 + 6905526.

It is an arithmetic number, because the mean of its divisors is an integer number (6905526).

Almost surely, 2^13811051 is an apocalyptic number.

13811051 is a deficient number, since it is larger than the sum of its proper divisors (1).

13811051 is an equidigital number, since it uses as much as digits as its factorization.

13811051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 20.

The square root of 13811051 is about 3716.3222411411. The cubic root of 13811051 is about 239.9250402475.

Adding to 13811051 its reverse (15011831), we get a palindrome (28822882).

The spelling of 13811051 in words is "thirteen million, eight hundred eleven thousand, fifty-one".