11956057 has 2 divisors, whose sum is σ = 11956058. Its totient is φ = 11956056.

The previous prime is 11956037. The next prime is 11956081. The reversal of 11956057 is 75065911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11909401 + 46656 = 3451^2 + 216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11956057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11956037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5978028 + 5978029.

It is an arithmetic number, because the mean of its divisors is an integer number (5978029).

Almost surely, 2^11956057 is an apocalyptic number.

It is an amenable number.

11956057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11956057 is an equidigital number, since it uses as much as digits as its factorization.

11956057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9450, while the sum is 34.

The square root of 11956057 is about 3457.7531722204. The cubic root of 11956057 is about 228.6630501553.

The spelling of 11956057 in words is "eleven million, nine hundred fifty-six thousand, fifty-seven".