11195957 has 2 divisors, whose sum is σ = 11195958. Its totient is φ = 11195956.

The previous prime is 11195923. The next prime is 11195971. The reversal of 11195957 is 75959111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10797796 + 398161 = 3286^2 + 631^2 .

It is a cyclic number.

It is not a de Polignac number, because 11195957 - 2⁶ = 11195893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11195957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11195057) 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, 5597978 + 5597979.

It is an arithmetic number, because the mean of its divisors is an integer number (5597979).

Almost surely, 2^11195957 is an apocalyptic number.

It is an amenable number.

11195957 is a deficient number, since it is larger than the sum of its proper divisors (1).

11195957 is an equidigital number, since it uses as much as digits as its factorization.

11195957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14175, while the sum is 38.

The square root of 11195957 is about 3346.0360129562. The cubic root of 11195957 is about 223.7108633941.

The spelling of 11195957 in words is "eleven million, one hundred ninety-five thousand, nine hundred fifty-seven".