10958839209885 has 64 divisors (see below), whose sum is σ = 21102119976960. Its totient is φ = 4747976766720.

The previous prime is 10958839209881. The next prime is 10958839209887. The reversal of 10958839209885 is 58890293885901.

It is a happy number.

It is not a de Polignac number, because 10958839209885 - 2² = 10958839209881 is a prime.

It is a super-2 number, since 2×10958839209885² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10958839209881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20552461 + ... + 21078930.

It is an arithmetic number, because the mean of its divisors is an integer number (329720624640).

Almost surely, 2^{10958839209885} is an apocalyptic number.

10958839209885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10958839209885 is a deficient number, since it is larger than the sum of its proper divisors (10143280767075).

10958839209885 is a wasteful number, since it uses less digits than its factorization.

10958839209885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41631538.

The product of its (nonzero) digits is 447897600, while the sum is 75.

The spelling of 10958839209885 in words is "ten trillion, nine hundred fifty-eight billion, eight hundred thirty-nine million, two hundred nine thousand, eight hundred eighty-five".