188801489311 has 2 divisors, whose sum is σ = 188801489312. Its totient is φ = 188801489310.

The previous prime is 188801489273. The next prime is 188801489321. The reversal of 188801489311 is 113984108881.

It is a strong prime.

It is an emirp because it is prime and its reverse (113984108881) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 188801489311 - 2¹³ = 188801481119 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (188801489321) 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, 94400744655 + 94400744656.

It is an arithmetic number, because the mean of its divisors is an integer number (94400744656).

Almost surely, 2^188801489311 is an apocalyptic number.

188801489311 is a deficient number, since it is larger than the sum of its proper divisors (1).

188801489311 is an equidigital number, since it uses as much as digits as its factorization.

188801489311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 442368, while the sum is 52.

The spelling of 188801489311 in words is "one hundred eighty-eight billion, eight hundred one million, four hundred eighty-nine thousand, three hundred eleven".