11113777 has 2 divisors, whose sum is σ = 11113778. Its totient is φ = 11113776.

The previous prime is 11113741. The next prime is 11113787. The reversal of 11113777 is 77731111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7017201 + 4096576 = 2649^2 + 2024^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113777 - 2¹⁹ = 10589489 is a prime.

It is a plaindrome in base 10.

It is a nialpdrome in base 16.

It is not a weakly prime, because it can be changed into another prime (11113787) 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, 5556888 + 5556889.

It is an arithmetic number, because the mean of its divisors is an integer number (5556889).

Almost surely, 2^11113777 is an apocalyptic number.

It is an amenable number.

11113777 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113777 is an equidigital number, since it uses as much as digits as its factorization.

11113777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1029, while the sum is 28.

The square root of 11113777 is about 3333.7331926835. The cubic root of 11113777 is about 223.1621616056.

Adding to 11113777 its reverse (77731111), we get a palindrome (88844888).

It can be divided in two parts, 1 and 1113777, that added together give a triangular number (1113778 = T₁₄₉₂).

The spelling of 11113777 in words is "eleven million, one hundred thirteen thousand, seven hundred seventy-seven".