1351103633053 has 4 divisors (see below), whose sum is σ = 1394687621248. Its totient is φ = 1307519644860.

The previous prime is 1351103633041. The next prime is 1351103633071. The reversal of 1351103633053 is 3503363011531.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1351103633053 - 2²⁵ = 1351070078621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1351103633093) 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, 21791994051 + ... + 21791994112.

It is an arithmetic number, because the mean of its divisors is an integer number (348671905312).

Almost surely, 2^{1351103633053} is an apocalyptic number.

It is an amenable number.

1351103633053 is a deficient number, since it is larger than the sum of its proper divisors (43583988195).

1351103633053 is an equidigital number, since it uses as much as digits as its factorization.

1351103633053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43583988194.

The product of its (nonzero) digits is 36450, while the sum is 34.

Adding to 1351103633053 its reverse (3503363011531), we get a palindrome (4854466644584).

The spelling of 1351103633053 in words is "one trillion, three hundred fifty-one billion, one hundred three million, six hundred thirty-three thousand, fifty-three".