11261951 has 2 divisors, whose sum is σ = 11261952. Its totient is φ = 11261950.

The previous prime is 11261941. The next prime is 11261953. The reversal of 11261951 is 15916211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11261951 - 2¹⁰ = 11260927 is a prime.

Together with 11261953, it forms a pair of twin primes.

It is a Chen prime.

It is a zygodrome in base 4.

It is a self number, because there is not a number n which added to its sum of digits gives 11261951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11261953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630975 + 5630976.

It is an arithmetic number, because the mean of its divisors is an integer number (5630976).

Almost surely, 2^11261951 is an apocalyptic number.

11261951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11261951 is an equidigital number, since it uses as much as digits as its factorization.

11261951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 540, while the sum is 26.

The square root of 11261951 is about 3355.8830432540. The cubic root of 11261951 is about 224.1495533493.

The spelling of 11261951 in words is "eleven million, two hundred sixty-one thousand, nine hundred fifty-one".