1255144154513 has 4 divisors (see below), whose sum is σ = 1328976163620. Its totient is φ = 1181312145408.

The previous prime is 1255144154497. The next prime is 1255144154527. The reversal of 1255144154513 is 3154514415521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1153072211344 + 102071943169 = 1073812^2 + 319487^2 .

It is a cyclic number.

It is not a de Polignac number, because 1255144154513 - 2⁴ = 1255144154497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1255144154713) 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, 36916004528 + ... + 36916004561.

It is an arithmetic number, because the mean of its divisors is an integer number (332244040905).

Almost surely, 2^{1255144154513} is an apocalyptic number.

It is an amenable number.

1255144154513 is a deficient number, since it is larger than the sum of its proper divisors (73832009107).

1255144154513 is an equidigital number, since it uses as much as digits as its factorization.

1255144154513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73832009106.

The product of its digits is 240000, while the sum is 41.

The spelling of 1255144154513 in words is "one trillion, two hundred fifty-five billion, one hundred forty-four million, one hundred fifty-four thousand, five hundred thirteen".