11877121368 has 160 divisors (see below), whose sum is σ = 38795988000. Its totient is φ = 3393399744.

The previous prime is 11877121351. The next prime is 11877121379. The reversal of 11877121368 is 86312177811.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 195546 + ... + 248982.

It is an arithmetic number, because the mean of its divisors is an integer number (242474925).

Almost surely, 2^11877121368 is an apocalyptic number.

11877121368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11877121368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19397994000).

11877121368 is an abundant number, since it is smaller than the sum of its proper divisors (26918866632).

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

11877121368 is an equidigital number, since it uses as much as digits as its factorization.

11877121368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53476 (or 53449 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The spelling of 11877121368 in words is "eleven billion, eight hundred seventy-seven million, one hundred twenty-one thousand, three hundred sixty-eight".