11113457 has 2 divisors, whose sum is σ = 11113458. Its totient is φ = 11113456.

The previous prime is 11113441. The next prime is 11113477. The reversal of 11113457 is 75431111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 295936 = 3289^2 + 544^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113457 - 2⁴ = 11113441 is a prime.

It is a Chen prime.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (11113477) 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, 5556728 + 5556729.

It is an arithmetic number, because the mean of its divisors is an integer number (5556729).

Almost surely, 2^11113457 is an apocalyptic number.

It is an amenable number.

11113457 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113457 is an equidigital number, since it uses as much as digits as its factorization.

11113457 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11113457 is about 3333.6851980953. The cubic root of 11113457 is about 223.1600197422.

Adding to 11113457 its reverse (75431111), we get a palindrome (86544568).

The spelling of 11113457 in words is "eleven million, one hundred thirteen thousand, four hundred fifty-seven".