13255056242 has 4 divisors (see below), whose sum is σ = 19882584366. Its totient is φ = 6627528120.

The previous prime is 13255056233. The next prime is 13255056251. The reversal of 13255056242 is 24265055231.

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

It is an interprime number because it is at equal distance from previous prime (13255056233) and next prime (13255056251).

It can be written as a sum of positive squares in only one way, i.e., 12485604121 + 769452121 = 111739^2 + 27739^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3313764059 + ... + 3313764062.

Almost surely, 2^13255056242 is an apocalyptic number.

13255056242 is a deficient number, since it is larger than the sum of its proper divisors (6627528124).

13255056242 is an equidigital number, since it uses as much as digits as its factorization.

13255056242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6627528123.

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 13255056242 in words is "thirteen billion, two hundred fifty-five million, fifty-six thousand, two hundred forty-two".