2155464022143 has 16 divisors (see below), whose sum is σ = 2945301069312. Its totient is φ = 1401331320000.

The previous prime is 2155464022141. The next prime is 2155464022183. The reversal of 2155464022143 is 3412204645512.

It is not a de Polignac number, because 2155464022143 - 2¹ = 2155464022141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155464022141) 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, 3437773 + ... + 4016118.

It is an arithmetic number, because the mean of its divisors is an integer number (184081316832).

Almost surely, 2^{2155464022143} is an apocalyptic number.

2155464022143 is a deficient number, since it is larger than the sum of its proper divisors (789837047169).

2155464022143 is a wasteful number, since it uses less digits than its factorization.

2155464022143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7456286.

The product of its (nonzero) digits is 230400, while the sum is 39.

Adding to 2155464022143 its reverse (3412204645512), we get a palindrome (5567668667655).

The spelling of 2155464022143 in words is "two trillion, one hundred fifty-five billion, four hundred sixty-four million, twenty-two thousand, one hundred forty-three".