2155434243295 has 64 divisors (see below), whose sum is σ = 2668331787264. Its totient is φ = 1670921809920.

The previous prime is 2155434243283. The next prime is 2155434243371. The reversal of 2155434243295 is 5923424345512.

It is not a de Polignac number, because 2155434243295 - 2¹⁹ = 2155433719007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4615490652 + ... + 4615491118.

It is an arithmetic number, because the mean of its divisors is an integer number (41692684176).

Almost surely, 2^{2155434243295} is an apocalyptic number.

2155434243295 is a deficient number, since it is larger than the sum of its proper divisors (512897543969).

2155434243295 is a wasteful number, since it uses less digits than its factorization.

2155434243295 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312.

The product of its digits is 5184000, while the sum is 49.

The spelling of 2155434243295 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-four million, two hundred forty-three thousand, two hundred ninety-five".