10958839209881 has 2 divisors, whose sum is σ = 10958839209882. Its totient is φ = 10958839209880.

The previous prime is 10958839209869. The next prime is 10958839209887. The reversal of 10958839209881 is 18890293885901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10612342160281 + 346497049600 = 3257659^2 + 588640^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10958839209881 is a prime.

It is a super-2 number, since 2×10958839209881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10958839209887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5479419604940 + 5479419604941.

It is an arithmetic number, because the mean of its divisors is an integer number (5479419604941).

Almost surely, 2^{10958839209881} is an apocalyptic number.

It is an amenable number.

10958839209881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10958839209881 is an equidigital number, since it uses as much as digits as its factorization.

10958839209881 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 89579520, while the sum is 71.

The spelling of 10958839209881 in words is "ten trillion, nine hundred fifty-eight billion, eight hundred thirty-nine million, two hundred nine thousand, eight hundred eighty-one".