2813243855551 has 4 divisors (see below), whose sum is σ = 2813247570400. Its totient is φ = 2813240140704.

The previous prime is 2813243855533. The next prime is 2813243855557. The reversal of 2813243855551 is 1555583423182.

2813243855551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2813243855551 - 2⁷ = 2813243855423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2813243855557) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268266 + ... + 2387143.

It is an arithmetic number, because the mean of its divisors is an integer number (703311892600).

Almost surely, 2^{2813243855551} is an apocalyptic number.

2813243855551 is a deficient number, since it is larger than the sum of its proper divisors (3714849).

2813243855551 is a wasteful number, since it uses less digits than its factorization.

2813243855551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3714848.

The product of its digits is 5760000, while the sum is 52.

The spelling of 2813243855551 in words is "two trillion, eight hundred thirteen billion, two hundred forty-three million, eight hundred fifty-five thousand, five hundred fifty-one".