1015252030213 has 4 divisors (see below), whose sum is σ = 1050260720940. Its totient is φ = 980243339488.

The previous prime is 1015252030189. The next prime is 1015252030223. The reversal of 1015252030213 is 3120302525101.

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 167348082724 + 847903947489 = 409082^2 + 920817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1015252030213 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 (1015252030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17504345320 + ... + 17504345377.

It is an arithmetic number, because the mean of its divisors is an integer number (262565180235).

Almost surely, 2^{1015252030213} is an apocalyptic number.

It is an amenable number.

1015252030213 is a deficient number, since it is larger than the sum of its proper divisors (35008690727).

1015252030213 is an equidigital number, since it uses as much as digits as its factorization.

1015252030213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35008690726.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 1015252030213 its reverse (3120302525101), we get a palindrome (4135554555314).

The spelling of 1015252030213 in words is "one trillion, fifteen billion, two hundred fifty-two million, thirty thousand, two hundred thirteen".