11261057 has 2 divisors, whose sum is σ = 11261058. Its totient is φ = 11261056.

The previous prime is 11261023. The next prime is 11261071. The reversal of 11261057 is 75016211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8814961 + 2446096 = 2969^2 + 1564^2 .

It is a cyclic number.

It is not a de Polignac number, because 11261057 - 2¹⁶ = 11195521 is a prime.

It is a super-2 number, since 2×11261057² = 253622809514498, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11261017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5630528 + 5630529.

It is an arithmetic number, because the mean of its divisors is an integer number (5630529).

Almost surely, 2^11261057 is an apocalyptic number.

It is an amenable number.

11261057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11261057 is an equidigital number, since it uses as much as digits as its factorization.

11261057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 11261057 is about 3355.7498416896. The cubic root of 11261057 is about 224.1436220205.

Adding to 11261057 its reverse (75016211), we get a palindrome (86277268).

The spelling of 11261057 in words is "eleven million, two hundred sixty-one thousand, fifty-seven".