10111000109489 has 2 divisors, whose sum is σ = 10111000109490. Its totient is φ = 10111000109488.

The previous prime is 10111000109477. The next prime is 10111000109527. The reversal of 10111000109489 is 98490100011101.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7959688549264 + 2151311560225 = 2821292^2 + 1466735^2 .

It is a cyclic number.

It is not a de Polignac number, because 10111000109489 - 2²⁴ = 10110983332273 is a prime.

It is a super-2 number, since 2×10111000109489² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10111000109429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055500054744 + 5055500054745.

It is an arithmetic number, because the mean of its divisors is an integer number (5055500054745).

Almost surely, 2^{10111000109489} is an apocalyptic number.

It is an amenable number.

10111000109489 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111000109489 is an equidigital number, since it uses as much as digits as its factorization.

10111000109489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 35.

The spelling of 10111000109489 in words is "ten trillion, one hundred eleven billion, one hundred nine thousand, four hundred eighty-nine".