2155445100343 has 2 divisors, whose sum is σ = 2155445100344. Its totient is φ = 2155445100342.

The previous prime is 2155445100329. The next prime is 2155445100353. The reversal of 2155445100343 is 3430015445512.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2155445100343 - 2²⁹ = 2154908229431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2155445100353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077722550171 + 1077722550172.

It is an arithmetic number, because the mean of its divisors is an integer number (1077722550172).

Almost surely, 2^{2155445100343} is an apocalyptic number.

2155445100343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2155445100343 is an equidigital number, since it uses as much as digits as its factorization.

2155445100343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 2155445100343 in words is "two trillion, one hundred fifty-five billion, four hundred forty-five million, one hundred thousand, three hundred forty-three".