11368999777 has 2 divisors, whose sum is σ = 11368999778. Its totient is φ = 11368999776.

The previous prime is 11368999729. The next prime is 11368999801. The reversal of 11368999777 is 77799986311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11358443776 + 10556001 = 106576^2 + 3249^2 .

It is a cyclic number.

It is not a de Polignac number, because 11368999777 - 2¹⁵ = 11368967009 is a prime.

It is not a weakly prime, because it can be changed into another prime (11368999177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5684499888 + 5684499889.

It is an arithmetic number, because the mean of its divisors is an integer number (5684499889).

Almost surely, 2^11368999777 is an apocalyptic number.

It is an amenable number.

11368999777 is a deficient number, since it is larger than the sum of its proper divisors (1).

11368999777 is an equidigital number, since it uses as much as digits as its factorization.

11368999777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36006768, while the sum is 67.

The spelling of 11368999777 in words is "eleven billion, three hundred sixty-eight million, nine hundred ninety-nine thousand, seven hundred seventy-seven".