11331127125817 has 2 divisors, whose sum is σ = 11331127125818. Its totient is φ = 11331127125816.

The previous prime is 11331127125811. The next prime is 11331127125911. The reversal of 11331127125817 is 71852172113311.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10248520171561 + 1082606954256 = 3201331^2 + 1040484^2 .

It is a cyclic number.

It is not a de Polignac number, because 11331127125817 - 2³ = 11331127125809 is a prime.

It is not a weakly prime, because it can be changed into another prime (11331127125811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665563562908 + 5665563562909.

It is an arithmetic number, because the mean of its divisors is an integer number (5665563562909).

Almost surely, 2^{11331127125817} is an apocalyptic number.

It is an amenable number.

11331127125817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11331127125817 is an equidigital number, since it uses as much as digits as its factorization.

11331127125817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 70560, while the sum is 43.

The spelling of 11331127125817 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-seven million, one hundred twenty-five thousand, eight hundred seventeen".