2155434243296 has 12 divisors (see below), whose sum is σ = 4243511166552. Its totient is φ = 1077717121632.

The previous prime is 2155434243283. The next prime is 2155434243371. The reversal of 2155434243296 is 6923424345512.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33678660020 + ... + 33678660083.

It is an arithmetic number, because the mean of its divisors is an integer number (353625930546).

Almost surely, 2^{2155434243296} is an apocalyptic number.

It is an amenable number.

2155434243296 is a deficient number, since it is larger than the sum of its proper divisors (2088076923256).

2155434243296 is an equidigital number, since it uses as much as digits as its factorization.

2155434243296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67357320113 (or 67357320105 counting only the distinct ones).

The product of its digits is 6220800, while the sum is 50.

The spelling of 2155434243296 in words is "two trillion, one hundred fifty-five billion, four hundred thirty-four million, two hundred forty-three thousand, two hundred ninety-six".