2251513236013 has 8 divisors (see below), whose sum is σ = 2254480049696. Its totient is φ = 2248547914800.

The previous prime is 2251513235953. The next prime is 2251513236019. The reversal of 2251513236013 is 3106323151522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2251513236013 - 2⁴¹ = 52489980461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2251513236013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2251513236019) 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 7 ways as a sum of consecutive naturals, for example, 2662270 + ... + 3404512.

It is an arithmetic number, because the mean of its divisors is an integer number (281810006212).

Almost surely, 2^{2251513236013} is an apocalyptic number.

It is an amenable number.

2251513236013 is a deficient number, since it is larger than the sum of its proper divisors (2966813683).

2251513236013 is a wasteful number, since it uses less digits than its factorization.

2251513236013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746235.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 2251513236013 its reverse (3106323151522), we get a palindrome (5357836387535).

The spelling of 2251513236013 in words is "two trillion, two hundred fifty-one billion, five hundred thirteen million, two hundred thirty-six thousand, thirteen".