1350256056505 has 4 divisors (see below), whose sum is σ = 1620307267812. Its totient is φ = 1080204845200.

The previous prime is 1350256056493. The next prime is 1350256056533. The reversal of 1350256056505 is 5056506520531.

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 693520862841 + 656735193664 = 832779^2 + 810392^2 .

It is not a de Polignac number, because 1350256056505 - 2⁷ = 1350256056377 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135025605646 + ... + 135025605655.

It is an arithmetic number, because the mean of its divisors is an integer number (405076816953).

Almost surely, 2^{1350256056505} is an apocalyptic number.

It is an amenable number.

1350256056505 is a deficient number, since it is larger than the sum of its proper divisors (270051211307).

1350256056505 is an equidigital number, since it uses as much as digits as its factorization.

1350256056505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270051211306.

The product of its (nonzero) digits is 675000, while the sum is 43.

The spelling of 1350256056505 in words is "one trillion, three hundred fifty billion, two hundred fifty-six million, fifty-six thousand, five hundred five".