3455156515543 has 2 divisors, whose sum is σ = 3455156515544. Its totient is φ = 3455156515542.

The previous prime is 3455156515529. The next prime is 3455156515549.

3455156515543 is nontrivially palindromic in base 10.

It is a strong prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 3455156515543 - 2¹³ = 3455156507351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3455156515549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1727578257771 + 1727578257772.

It is an arithmetic number, because the mean of its divisors is an integer number (1727578257772).

Almost surely, 2^{3455156515543} is an apocalyptic number.

3455156515543 is a deficient number, since it is larger than the sum of its proper divisors (1).

3455156515543 is an equidigital number, since it uses as much as digits as its factorization.

3455156515543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500000, while the sum is 52.

The spelling of 3455156515543 in words is "three trillion, four hundred fifty-five billion, one hundred fifty-six million, five hundred fifteen thousand, five hundred forty-three".