5215444113133 has 4 divisors (see below), whose sum is σ = 5215563609948. Its totient is φ = 5215324616320.

The previous prime is 5215444113107. The next prime is 5215444113157. The reversal of 5215444113133 is 3313114445125.

It is a happy number.

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 5030340236964 + 185103876169 = 2242842^2 + 430237^2 .

It is a cyclic number.

It is not a de Polignac number, because 5215444113133 - 2²¹ = 5215442015981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5215444113092 and 5215444113101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5215444113163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59682916 + ... + 59770237.

It is an arithmetic number, because the mean of its divisors is an integer number (1303890902487).

Almost surely, 2^{5215444113133} is an apocalyptic number.

It is an amenable number.

5215444113133 is a deficient number, since it is larger than the sum of its proper divisors (119496815).

5215444113133 is a wasteful number, since it uses less digits than its factorization.

5215444113133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119496814.

The product of its digits is 86400, while the sum is 37.

Adding to 5215444113133 its reverse (3313114445125), we get a palindrome (8528558558258).

The spelling of 5215444113133 in words is "five trillion, two hundred fifteen billion, four hundred forty-four million, one hundred thirteen thousand, one hundred thirty-three".