1255727026149 has 8 divisors (see below), whose sum is σ = 1674639671040. Its totient is φ = 836982866016.

The previous prime is 1255727026111. The next prime is 1255727026159. The reversal of 1255727026149 is 9416207275521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1255727026149 - 2¹⁷ = 1255726895077 is a prime.

It is a super-2 number, since 2×1255727026149² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1255727026159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42103797 + ... + 42133610.

It is an arithmetic number, because the mean of its divisors is an integer number (209329958880).

Almost surely, 2^{1255727026149} is an apocalyptic number.

It is an amenable number.

1255727026149 is a deficient number, since it is larger than the sum of its proper divisors (418912644891).

1255727026149 is an equidigital number, since it uses as much as digits as its factorization.

1255727026149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84242379.

The product of its (nonzero) digits is 2116800, while the sum is 51.

The spelling of 1255727026149 in words is "one trillion, two hundred fifty-five billion, seven hundred twenty-seven million, twenty-six thousand, one hundred forty-nine".