101111009485789 has 2 divisors, whose sum is σ = 101111009485790. Its totient is φ = 101111009485788.

The previous prime is 101111009485757. The next prime is 101111009485813. The reversal of 101111009485789 is 987584900111101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66271680310564 + 34839329175225 = 8140742^2 + 5902485^2 .

It is a cyclic number.

It is not a de Polignac number, because 101111009485789 - 2⁵ = 101111009485757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101111009485709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555504742894 + 50555504742895.

It is an arithmetic number, because the mean of its divisors is an integer number (50555504742895).

Almost surely, 2^{101111009485789} is an apocalyptic number.

It is an amenable number.

101111009485789 is a deficient number, since it is larger than the sum of its proper divisors (1).

101111009485789 is an equidigital number, since it uses as much as digits as its factorization.

101111009485789 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 725760, while the sum is 55.

The spelling of 101111009485789 in words is "one hundred one trillion, one hundred eleven billion, nine million, four hundred eighty-five thousand, seven hundred eighty-nine".