11279951 has 2 divisors, whose sum is σ = 11279952. Its totient is φ = 11279950.

The previous prime is 11279923. The next prime is 11279963. The reversal of 11279951 is 15997211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11279951 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11279911) 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, 5639975 + 5639976.

It is an arithmetic number, because the mean of its divisors is an integer number (5639976).

Almost surely, 2^11279951 is an apocalyptic number.

11279951 is a deficient number, since it is larger than the sum of its proper divisors (1).

11279951 is an equidigital number, since it uses as much as digits as its factorization.

11279951 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 35.

The square root of 11279951 is about 3358.5638299726. The cubic root of 11279951 is about 224.2689093506.

The spelling of 11279951 in words is "eleven million, two hundred seventy-nine thousand, nine hundred fifty-one".