111362131289 has 2 divisors, whose sum is σ = 111362131290. Its totient is φ = 111362131288.

The previous prime is 111362131207. The next prime is 111362131313. The reversal of 111362131289 is 982131263111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 109235538064 + 2126593225 = 330508^2 + 46115^2 .

It is an emirp because it is prime and its reverse (982131263111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 111362131289 - 2¹² = 111362127193 is a prime.

It is not a weakly prime, because it can be changed into another prime (111362130289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55681065644 + 55681065645.

It is an arithmetic number, because the mean of its divisors is an integer number (55681065645).

Almost surely, 2^111362131289 is an apocalyptic number.

It is an amenable number.

111362131289 is a deficient number, since it is larger than the sum of its proper divisors (1).

111362131289 is an equidigital number, since it uses as much as digits as its factorization.

111362131289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 38.

The spelling of 111362131289 in words is "one hundred eleven billion, three hundred sixty-two million, one hundred thirty-one thousand, two hundred eighty-nine".