11001109057 has 2 divisors, whose sum is σ = 11001109058. Its totient is φ = 11001109056.

The previous prime is 11001109043. The next prime is 11001109069. The reversal of 11001109057 is 75090110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6797013136 + 4204095921 = 82444^2 + 64839^2 .

It is a cyclic number.

It is not a de Polignac number, because 11001109057 - 2³¹ = 8853625409 is a prime.

It is not a weakly prime, because it can be changed into another prime (11001109087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5500554528 + 5500554529.

It is an arithmetic number, because the mean of its divisors is an integer number (5500554529).

Almost surely, 2^11001109057 is an apocalyptic number.

It is an amenable number.

11001109057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11001109057 is an equidigital number, since it uses as much as digits as its factorization.

11001109057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 315, while the sum is 25.

Adding to 11001109057 its reverse (75090110011), we get a palindrome (86091219068).

The spelling of 11001109057 in words is "eleven billion, one million, one hundred nine thousand, fifty-seven".