111204006020287 has 2 divisors, whose sum is σ = 111204006020288. Its totient is φ = 111204006020286.

The previous prime is 111204006020203. The next prime is 111204006020291. The reversal of 111204006020287 is 782020600402111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 111204006020287 - 2¹¹ = 111204006018239 is a prime.

It is a super-3 number, since 3×111204006020287³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111204006020087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55602003010143 + 55602003010144.

It is an arithmetic number, because the mean of its divisors is an integer number (55602003010144).

Almost surely, 2^{111204006020287} is an apocalyptic number.

111204006020287 is a deficient number, since it is larger than the sum of its proper divisors (1).

111204006020287 is an equidigital number, since it uses as much as digits as its factorization.

111204006020287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10752, while the sum is 34.

Adding to 111204006020287 its reverse (782020600402111), we get a palindrome (893224606422398).

The spelling of 111204006020287 in words is "one hundred eleven trillion, two hundred four billion, six million, twenty thousand, two hundred eighty-seven".