11011312049 has 2 divisors, whose sum is σ = 11011312050. Its totient is φ = 11011312048.

The previous prime is 11011312009. The next prime is 11011312061. The reversal of 11011312049 is 94021311011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10994990449 + 16321600 = 104857^2 + 4040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11011312049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11011312009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505656024 + 5505656025.

It is an arithmetic number, because the mean of its divisors is an integer number (5505656025).

Almost surely, 2^11011312049 is an apocalyptic number.

It is an amenable number.

11011312049 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011312049 is an equidigital number, since it uses as much as digits as its factorization.

11011312049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 11011312049 in words is "eleven billion, eleven million, three hundred twelve thousand, forty-nine".