1255604141569 has 4 divisors (see below), whose sum is σ = 1271497864960. Its totient is φ = 1239710418180.

The previous prime is 1255604141551. The next prime is 1255604141581. The reversal of 1255604141569 is 9651414065521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255604141569 is a prime.

It is a super-2 number, since 2×1255604141569² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255604144569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7946861577 + ... + 7946861734.

It is an arithmetic number, because the mean of its divisors is an integer number (317874466240).

Almost surely, 2^{1255604141569} is an apocalyptic number.

It is an amenable number.

1255604141569 is a deficient number, since it is larger than the sum of its proper divisors (15893723391).

1255604141569 is an equidigital number, since it uses as much as digits as its factorization.

1255604141569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15893723390.

The product of its (nonzero) digits is 1296000, while the sum is 49.

The spelling of 1255604141569 in words is "one trillion, two hundred fifty-five billion, six hundred four million, one hundred forty-one thousand, five hundred sixty-nine".