4155120043 has 4 divisors (see below), whose sum is σ = 4155712128. Its totient is φ = 4154527960.

The previous prime is 4155120037. The next prime is 4155120071. The reversal of 4155120043 is 3400215514.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 4155120043 - 2⁹ = 4155119531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155420043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285388 + ... + 299593.

It is an arithmetic number, because the mean of its divisors is an integer number (1038928032).

Almost surely, 2^4155120043 is an apocalyptic number.

4155120043 is a deficient number, since it is larger than the sum of its proper divisors (592085).

4155120043 is an equidigital number, since it uses as much as digits as its factorization.

4155120043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592084.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4155120043 is about 64460.2206248164. The cubic root of 4155120043 is about 1607.6611801648.

Adding to 4155120043 its reverse (3400215514), we get a palindrome (7555335557).

The spelling of 4155120043 in words is "four billion, one hundred fifty-five million, one hundred twenty thousand, forty-three".