1353511120243 has 4 divisors (see below), whose sum is σ = 1353575389240. Its totient is φ = 1353446851248.

The previous prime is 1353511120231. The next prime is 1353511120259. The reversal of 1353511120243 is 3420211153531.

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 1353511120243 - 2⁵ = 1353511120211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1353511120223) 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, 32102898 + ... + 32145031.

It is an arithmetic number, because the mean of its divisors is an integer number (338393847310).

Almost surely, 2^{1353511120243} is an apocalyptic number.

1353511120243 is a deficient number, since it is larger than the sum of its proper divisors (64268997).

1353511120243 is an equidigital number, since it uses as much as digits as its factorization.

1353511120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64268996.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 1353511120243 its reverse (3420211153531), we get a palindrome (4773722273774).

The spelling of 1353511120243 in words is "one trillion, three hundred fifty-three billion, five hundred eleven million, one hundred twenty thousand, two hundred forty-three".