2253505313543 has 4 divisors (see below), whose sum is σ = 2458369432968. Its totient is φ = 2048641194120.

The previous prime is 2253505313519. The next prime is 2253505313551. The reversal of 2253505313543 is 3453135053522.

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

It is a cyclic number.

It is not a de Polignac number, because 2253505313543 - 2²⁰ = 2253504264967 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2253505313543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2253505313443) 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, 102432059696 + ... + 102432059717.

It is an arithmetic number, because the mean of its divisors is an integer number (614592358242).

Almost surely, 2^{2253505313543} is an apocalyptic number.

2253505313543 is a deficient number, since it is larger than the sum of its proper divisors (204864119425).

2253505313543 is a wasteful number, since it uses less digits than its factorization.

2253505313543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204864119424.

The product of its (nonzero) digits is 810000, while the sum is 41.

The spelling of 2253505313543 in words is "two trillion, two hundred fifty-three billion, five hundred five million, three hundred thirteen thousand, five hundred forty-three".