34111216854 has 384 divisors, whose sum is σ = 94680907776. Its totient is φ = 9062928000.

The previous prime is 34111216849. The next prime is 34111216871. The reversal of 34111216854 is 45861211143.

It is a super-2 number, since 2×34111216854² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 152964987 + ... + 152965209.

It is an arithmetic number, because the mean of its divisors is an integer number (246564864).

Almost surely, 2^34111216854 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34111216854, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47340453888).

34111216854 is an abundant number, since it is smaller than the sum of its proper divisors (60569690922).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

34111216854 is a wasteful number, since it uses less digits than its factorization.

34111216854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 354 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

Adding to 34111216854 its reverse (45861211143), we get a palindrome (79972427997).

The spelling of 34111216854 in words is "thirty-four billion, one hundred eleven million, two hundred sixteen thousand, eight hundred fifty-four".