2155504141443 has 4 divisors (see below), whose sum is σ = 2874005521928. Its totient is φ = 1437002760960.

The previous prime is 2155504141393. The next prime is 2155504141447. The reversal of 2155504141443 is 3441414055512.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2155504141443 - 2⁶ = 2155504141379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2155504141447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359250690238 + ... + 359250690243.

It is an arithmetic number, because the mean of its divisors is an integer number (718501380482).

Almost surely, 2^{2155504141443} is an apocalyptic number.

2155504141443 is a deficient number, since it is larger than the sum of its proper divisors (718501380485).

2155504141443 is an equidigital number, since it uses as much as digits as its factorization.

2155504141443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718501380484.

The product of its (nonzero) digits is 192000, while the sum is 39.

Adding to 2155504141443 its reverse (3441414055512), we get a palindrome (5596918196955).

The spelling of 2155504141443 in words is "two trillion, one hundred fifty-five billion, five hundred four million, one hundred forty-one thousand, four hundred forty-three".