2678533103872 has 144 divisors (see below), whose sum is σ = 5760700041600. Its totient is φ = 1238360555520.

The previous prime is 2678533103849. The next prime is 2678533103947. The reversal of 2678533103872 is 2783013358762.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243963279 + ... + 243974257.

It is an arithmetic number, because the mean of its divisors is an integer number (40004861400).

Almost surely, 2^{2678533103872} 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 2678533103872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2880350020800).

2678533103872 is an abundant number, since it is smaller than the sum of its proper divisors (3082166937728).

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

2678533103872 is a wasteful number, since it uses less digits than its factorization.

2678533103872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11992 (or 11978 counting only the distinct ones).

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 2678533103872 in words is "two trillion, six hundred seventy-eight billion, five hundred thirty-three million, one hundred three thousand, eight hundred seventy-two".