1016043543155 has 4 divisors (see below), whose sum is σ = 1219252251792. Its totient is φ = 812834834520.

The previous prime is 1016043543121. The next prime is 1016043543197. The reversal of 1016043543155 is 5513453406101.

1016043543155 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 1016043543155 - 2²⁴ = 1016026765939 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101604354311 + ... + 101604354320.

It is an arithmetic number, because the mean of its divisors is an integer number (304813062948).

Almost surely, 2^{1016043543155} is an apocalyptic number.

1016043543155 is a deficient number, since it is larger than the sum of its proper divisors (203208708637).

1016043543155 is an equidigital number, since it uses as much as digits as its factorization.

1016043543155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203208708636.

The product of its (nonzero) digits is 108000, while the sum is 38.

Adding to 1016043543155 its reverse (5513453406101), we get a palindrome (6529496949256).

The spelling of 1016043543155 in words is "one trillion, sixteen billion, forty-three million, five hundred forty-three thousand, one hundred fifty-five".