3155451042543 has 32 divisors (see below), whose sum is σ = 4290781824000. Its totient is φ = 2062353678336.

The previous prime is 3155451042529. The next prime is 3155451042551. The reversal of 3155451042543 is 3452401545513.

It is not a de Polignac number, because 3155451042543 - 2⁶ = 3155451042479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3155451042495 and 3155451042504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3155451042343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18074730 + ... + 18248472.

It is an arithmetic number, because the mean of its divisors is an integer number (134086932000).

Almost surely, 2^{3155451042543} is an apocalyptic number.

3155451042543 is a deficient number, since it is larger than the sum of its proper divisors (1135330781457).

3155451042543 is a wasteful number, since it uses less digits than its factorization.

3155451042543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174431.

The product of its (nonzero) digits is 720000, while the sum is 42.

The spelling of 3155451042543 in words is "three trillion, one hundred fifty-five billion, four hundred fifty-one million, forty-two thousand, five hundred forty-three".