2155024543 has 8 divisors (see below), whose sum is σ = 2463436800. Its totient is φ = 1846750200.

The previous prime is 2155024513. The next prime is 2155024549. The reversal of 2155024543 is 3454205512.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2155024543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2155024549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1518 + ... + 65668.

It is an arithmetic number, because the mean of its divisors is an integer number (307929600).

Almost surely, 2^2155024543 is an apocalyptic number.

2155024543 is a deficient number, since it is larger than the sum of its proper divisors (308412257).

2155024543 is an equidigital number, since it uses as much as digits as its factorization.

2155024543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68957.

The product of its (nonzero) digits is 24000, while the sum is 31.

The square root of 2155024543 is about 46422.2418997618. The cubic root of 2155024543 is about 1291.6675234477.

The spelling of 2155024543 in words is "two billion, one hundred fifty-five million, twenty-four thousand, five hundred forty-three".