2861109256552 has 16 divisors (see below), whose sum is σ = 5369626513440. Its totient is φ = 1429208852976.

The previous prime is 2861109256529. The next prime is 2861109256573. The reversal of 2861109256552 is 2556529011682.

It is a self number, because there is not a number n which added to its sum of digits gives 2861109256552.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168212878 + ... + 168229885.

It is an arithmetic number, because the mean of its divisors is an integer number (335601657090).

Almost surely, 2^{2861109256552} is an apocalyptic number.

It is an amenable number.

2861109256552 is a deficient number, since it is larger than the sum of its proper divisors (2508517256888).

2861109256552 is a wasteful number, since it uses less digits than its factorization.

2861109256552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336443832 (or 336443828 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 52.

The spelling of 2861109256552 in words is "two trillion, eight hundred sixty-one billion, one hundred nine million, two hundred fifty-six thousand, five hundred fifty-two".