1255727026159 has 2 divisors, whose sum is σ = 1255727026160. Its totient is φ = 1255727026158.

The previous prime is 1255727026111. The next prime is 1255727026219. The reversal of 1255727026159 is 9516207275521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1255727026159 - 2¹⁹ = 1255726501871 is a prime.

It is a super-2 number, since 2×1255727026159² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255727026259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627863513079 + 627863513080.

It is an arithmetic number, because the mean of its divisors is an integer number (627863513080).

Almost surely, 2^{1255727026159} is an apocalyptic number.

1255727026159 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255727026159 is an equidigital number, since it uses as much as digits as its factorization.

1255727026159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2646000, while the sum is 52.

The spelling of 1255727026159 in words is "one trillion, two hundred fifty-five billion, seven hundred twenty-seven million, twenty-six thousand, one hundred fifty-nine".