1255114543 has 2 divisors, whose sum is σ = 1255114544. Its totient is φ = 1255114542.

The previous prime is 1255114513. The next prime is 1255114583. The reversal of 1255114543 is 3454115521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255114543 - 2⁹ = 1255114031 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255114513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627557271 + 627557272.

It is an arithmetic number, because the mean of its divisors is an integer number (627557272).

Almost surely, 2^1255114543 is an apocalyptic number.

1255114543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255114543 is an equidigital number, since it uses as much as digits as its factorization.

1255114543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12000, while the sum is 31.

The square root of 1255114543 is about 35427.5957835132. The cubic root of 1255114543 is about 1078.6845389397.

The spelling of 1255114543 in words is "one billion, two hundred fifty-five million, one hundred fourteen thousand, five hundred forty-three".