71112830838611 has 16 divisors (see below), whose sum is σ = 73649788876800. Its totient is φ = 68618563241760.

The previous prime is 71112830838593. The next prime is 71112830838619. The reversal of 71112830838611 is 11683803821117.

It is a cyclic number.

It is not a de Polignac number, because 71112830838611 - 2¹⁸ = 71112830576467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71112830838611.

It is not an unprimeable number, because it can be changed into a prime (71112830838619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421702490 + ... + 421871088.

It is an arithmetic number, because the mean of its divisors is an integer number (4603111804800).

Almost surely, 2^{71112830838611} is an apocalyptic number.

71112830838611 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

71112830838611 is a deficient number, since it is larger than the sum of its proper divisors (2536958038189).

71112830838611 is a wasteful number, since it uses less digits than its factorization.

71112830838611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295114.

The product of its (nonzero) digits is 387072, while the sum is 50.

The spelling of 71112830838611 in words is "seventy-one trillion, one hundred twelve billion, eight hundred thirty million, eight hundred thirty-eight thousand, six hundred eleven".