1250533320013 has 4 divisors (see below), whose sum is σ = 1250657526460. Its totient is φ = 1250409113568.

The previous prime is 1250533319963. The next prime is 1250533320017. The reversal of 1250533320013 is 3100233350521.

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 636258284964 + 614275035049 = 797658^2 + 783757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1250533320013 - 2¹³ = 1250533311821 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 (1250533320017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62088120 + ... + 62108257.

It is an arithmetic number, because the mean of its divisors is an integer number (312664381615).

Almost surely, 2^{1250533320013} is an apocalyptic number.

It is an amenable number.

1250533320013 is a deficient number, since it is larger than the sum of its proper divisors (124206447).

1250533320013 is a wasteful number, since it uses less digits than its factorization.

1250533320013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124206446.

The product of its (nonzero) digits is 8100, while the sum is 28.

Adding to 1250533320013 its reverse (3100233350521), we get a palindrome (4350766670534).

The spelling of 1250533320013 in words is "one trillion, two hundred fifty billion, five hundred thirty-three million, three hundred twenty thousand, thirteen".