11101009838857 has 2 divisors, whose sum is σ = 11101009838858. Its totient is φ = 11101009838856.

The previous prime is 11101009838843. The next prime is 11101009838879. The reversal of 11101009838857 is 75883890010111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8969479918281 + 2131529920576 = 2994909^2 + 1459976^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101009838857 - 2²³ = 11101001450249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11101009838827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550504919428 + 5550504919429.

It is an arithmetic number, because the mean of its divisors is an integer number (5550504919429).

Almost surely, 2^{11101009838857} is an apocalyptic number.

It is an amenable number.

11101009838857 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101009838857 is an equidigital number, since it uses as much as digits as its factorization.

11101009838857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 52.

Adding to 11101009838857 its reverse (75883890010111), we get a palindrome (86984899848968).

The spelling of 11101009838857 in words is "eleven trillion, one hundred one billion, nine million, eight hundred thirty-eight thousand, eight hundred fifty-seven".