11039977855909 has 2 divisors, whose sum is σ = 11039977855910. Its totient is φ = 11039977855908.

The previous prime is 11039977855901. The next prime is 11039977855913. The reversal of 11039977855909 is 90955877993011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6366144626884 + 4673833229025 = 2523122^2 + 2161905^2 .

It is a cyclic number.

It is not a de Polignac number, because 11039977855909 - 2³ = 11039977855901 is a prime.

It is a super-2 number, since 2×11039977855909² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11039977855901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5519988927954 + 5519988927955.

It is an arithmetic number, because the mean of its divisors is an integer number (5519988927955).

Almost surely, 2^{11039977855909} is an apocalyptic number.

It is an amenable number.

11039977855909 is a deficient number, since it is larger than the sum of its proper divisors (1).

11039977855909 is an equidigital number, since it uses as much as digits as its factorization.

11039977855909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192893400, while the sum is 73.

The spelling of 11039977855909 in words is "eleven trillion, thirty-nine billion, nine hundred seventy-seven million, eight hundred fifty-five thousand, nine hundred nine".