2255565217143 has 24 divisors (see below), whose sum is σ = 3682555461120. Its totient is φ = 1221057860400.

The previous prime is 2255565217133. The next prime is 2255565217151. The reversal of 2255565217143 is 3417125655522.

It is not a de Polignac number, because 2255565217143 - 2⁵ = 2255565217111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2255565217092 and 2255565217101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255565217133) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403786183 + ... + 403791768.

It is an arithmetic number, because the mean of its divisors is an integer number (153439810880).

Almost surely, 2^{2255565217143} is an apocalyptic number.

2255565217143 is a deficient number, since it is larger than the sum of its proper divisors (1426990243977).

2255565217143 is a wasteful number, since it uses less digits than its factorization.

2255565217143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807577987 (or 807577980 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 48.

The spelling of 2255565217143 in words is "two trillion, two hundred fifty-five billion, five hundred sixty-five million, two hundred seventeen thousand, one hundred forty-three".