11876121744 has 80 divisors (see below), whose sum is σ = 31018014720. Its totient is φ = 3915216000.

The previous prime is 11876121743. The next prime is 11876121811. The reversal of 11876121744 is 44712167811.

It is a junction number, because it is equal to n+sod(n) for n = 11876121696 and 11876121705.

It is not an unprimeable number, because it can be changed into a prime (11876121743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3855597 + ... + 3858675.

It is an arithmetic number, because the mean of its divisors is an integer number (387725184).

Almost surely, 2^11876121744 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 11876121744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15509007360).

11876121744 is an abundant number, since it is smaller than the sum of its proper divisors (19141892976).

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

11876121744 is a wasteful number, since it uses less digits than its factorization.

11876121744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3948 (or 3942 counting only the distinct ones).

The product of its digits is 75264, while the sum is 42.

The spelling of 11876121744 in words is "eleven billion, eight hundred seventy-six million, one hundred twenty-one thousand, seven hundred forty-four".