11555757673 has 2 divisors, whose sum is σ = 11555757674. Its totient is φ = 11555757672.

The previous prime is 11555757583. The next prime is 11555757679. The reversal of 11555757673 is 37675755511.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10705627024 + 850130649 = 103468^2 + 29157^2 .

It is an emirp because it is prime and its reverse (37675755511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11555757673 - 2¹³ = 11555749481 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11555757673.

It is not a weakly prime, because it can be changed into another prime (11555757679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5777878836 + 5777878837.

It is an arithmetic number, because the mean of its divisors is an integer number (5777878837).

Almost surely, 2^11555757673 is an apocalyptic number.

It is an amenable number.

11555757673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11555757673 is an equidigital number, since it uses as much as digits as its factorization.

11555757673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3858750, while the sum is 52.

The spelling of 11555757673 in words is "eleven billion, five hundred fifty-five million, seven hundred fifty-seven thousand, six hundred seventy-three".