11081951 has 2 divisors, whose sum is σ = 11081952. Its totient is φ = 11081950.

The previous prime is 11081923. The next prime is 11081969. The reversal of 11081951 is 15918011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11081951 - 2⁶ = 11081887 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11081951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11081051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5540975 + 5540976.

It is an arithmetic number, because the mean of its divisors is an integer number (5540976).

Almost surely, 2^11081951 is an apocalyptic number.

11081951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11081951 is an equidigital number, since it uses as much as digits as its factorization.

11081951 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 26.

The square root of 11081951 is about 3328.9564430914. The cubic root of 11081951 is about 222.9489382845.

Adding to 11081951 its reverse (15918011), we get a palindrome (26999962).

The spelling of 11081951 in words is "eleven million, eighty-one thousand, nine hundred fifty-one".