2251453321415 has 4 divisors (see below), whose sum is σ = 2701743985704. Its totient is φ = 1801162657128.

The previous prime is 2251453321409. The next prime is 2251453321421. The reversal of 2251453321415 is 5141233541522.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2251453321409) and next prime (2251453321421).

It is a cyclic number.

It is not a de Polignac number, because 2251453321415 - 2⁴ = 2251453321399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 225145332137 + ... + 225145332146.

It is an arithmetic number, because the mean of its divisors is an integer number (675435996426).

Almost surely, 2^{2251453321415} is an apocalyptic number.

2251453321415 is a deficient number, since it is larger than the sum of its proper divisors (450290664289).

2251453321415 is an equidigital number, since it uses as much as digits as its factorization.

2251453321415 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450290664288.

The product of its digits is 144000, while the sum is 38.

Adding to 2251453321415 its reverse (5141233541522), we get a palindrome (7392686862937).

The spelling of 2251453321415 in words is "two trillion, two hundred fifty-one billion, four hundred fifty-three million, three hundred twenty-one thousand, four hundred fifteen".