10985005109959 has 2 divisors, whose sum is σ = 10985005109960. Its totient is φ = 10985005109958.

The previous prime is 10985005109927. The next prime is 10985005110011. The reversal of 10985005109959 is 95990150058901.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10985005109959 - 2⁵ = 10985005109927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10985005109897 and 10985005109906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10985005109759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5492502554979 + 5492502554980.

It is an arithmetic number, because the mean of its divisors is an integer number (5492502554980).

Almost surely, 2^{10985005109959} is an apocalyptic number.

10985005109959 is a deficient number, since it is larger than the sum of its proper divisors (1).

10985005109959 is an equidigital number, since it uses as much as digits as its factorization.

10985005109959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6561000, while the sum is 61.

The spelling of 10985005109959 in words is "ten trillion, nine hundred eighty-five billion, five million, one hundred nine thousand, nine hundred fifty-nine".