11887334177 has 2 divisors, whose sum is σ = 11887334178. Its totient is φ = 11887334176.

The previous prime is 11887334149. The next prime is 11887334203. The reversal of 11887334177 is 77143378811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11313300496 + 574033681 = 106364^2 + 23959^2 .

It is an emirp because it is prime and its reverse (77143378811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11887334177 - 2⁸ = 11887333921 is a prime.

It is not a weakly prime, because it can be changed into another prime (11887336177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5943667088 + 5943667089.

It is an arithmetic number, because the mean of its divisors is an integer number (5943667089).

Almost surely, 2^11887334177 is an apocalyptic number.

It is an amenable number.

11887334177 is a deficient number, since it is larger than the sum of its proper divisors (1).

11887334177 is an equidigital number, since it uses as much as digits as its factorization.

11887334177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 50.

The spelling of 11887334177 in words is "eleven billion, eight hundred eighty-seven million, three hundred thirty-four thousand, one hundred seventy-seven".