13555555543 has 2 divisors, whose sum is σ = 13555555544. Its totient is φ = 13555555542.

The previous prime is 13555555537. The next prime is 13555555549. The reversal of 13555555543 is 34555555531.

It is a balanced prime because it is at equal distance from previous prime (13555555537) and next prime (13555555549).

It is a cyclic number.

It is not a de Polignac number, because 13555555543 - 2²⁹ = 13018684631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13555555493 and 13555555502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13555555549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777777771 + 6777777772.

It is an arithmetic number, because the mean of its divisors is an integer number (6777777772).

Almost surely, 2^13555555543 is an apocalyptic number.

13555555543 is a deficient number, since it is larger than the sum of its proper divisors (1).

13555555543 is an equidigital number, since it uses as much as digits as its factorization.

13555555543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2812500, while the sum is 46.

The spelling of 13555555543 in words is "thirteen billion, five hundred fifty-five million, five hundred fifty-five thousand, five hundred forty-three".