2155410021343 has 2 divisors, whose sum is σ = 2155410021344. Its totient is φ = 2155410021342.

The previous prime is 2155410021313. The next prime is 2155410021367. The reversal of 2155410021343 is 3431200145512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155410021343 - 2⁹ = 2155410020831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155410021313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077705010671 + 1077705010672.

It is an arithmetic number, because the mean of its divisors is an integer number (1077705010672).

Almost surely, 2^{2155410021343} is an apocalyptic number.

2155410021343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155410021343 is an equidigital number, since it uses as much as digits as its factorization.

2155410021343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 2155410021343 its reverse (3431200145512), we get a palindrome (5586610166855).

The spelling of 2155410021343 in words is "two trillion, one hundred fifty-five billion, four hundred ten million, twenty-one thousand, three hundred forty-three".