11321219999977 has 2 divisors, whose sum is σ = 11321219999978. Its totient is φ = 11321219999976.

The previous prime is 11321219999861. The next prime is 11321220000011. The reversal of 11321219999977 is 77999991212311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10777425844201 + 543794155776 = 3282899^2 + 737424^2 .

It is a cyclic number.

It is not a de Polignac number, because 11321219999977 - 2²⁷ = 11321085782249 is a prime.

It is not a weakly prime, because it can be changed into another prime (11321219399977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5660609999988 + 5660609999989.

It is an arithmetic number, because the mean of its divisors is an integer number (5660609999989).

Almost surely, 2^{11321219999977} is an apocalyptic number.

It is an amenable number.

11321219999977 is a deficient number, since it is larger than the sum of its proper divisors (1).

11321219999977 is an equidigital number, since it uses as much as digits as its factorization.

11321219999977 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34720812, while the sum is 70.

The spelling of 11321219999977 in words is "eleven trillion, three hundred twenty-one billion, two hundred nineteen million, nine hundred ninety-nine thousand, nine hundred seventy-seven".