6411987105108 has 192 divisors, whose sum is σ = 17223059078400. Its totient is φ = 1840202219520.

The previous prime is 6411987105107. The next prime is 6411987105151. The reversal of 6411987105108 is 8015017891146.

It is a super-2 number, since 2×6411987105108² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6411987105101) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 123089628 + ... + 123141708.

It is an arithmetic number, because the mean of its divisors is an integer number (89703432700).

Almost surely, 2^{6411987105108} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6411987105108, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8611529539200).

6411987105108 is an abundant number, since it is smaller than the sum of its proper divisors (10811071973292).

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

6411987105108 is a wasteful number, since it uses less digits than its factorization.

6411987105108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52762 (or 52760 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 51.

The spelling of 6411987105108 in words is "six trillion, four hundred eleven billion, nine hundred eighty-seven million, one hundred five thousand, one hundred eight".