2251513305115 has 8 divisors (see below), whose sum is σ = 2704357662048. Its totient is φ = 1799516180160.

The previous prime is 2251513305109. The next prime is 2251513305121. The reversal of 2251513305115 is 5115033151522.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2251513305109) and next prime (2251513305121).

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

It is not a de Polignac number, because 2251513305115 - 2⁹ = 2251513304603 is a prime.

It is a Duffinian 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 7 ways as a sum of consecutive naturals, for example, 211802146 + ... + 211812775.

It is an arithmetic number, because the mean of its divisors is an integer number (338044707756).

Almost surely, 2^{2251513305115} is an apocalyptic number.

2251513305115 is a deficient number, since it is larger than the sum of its proper divisors (452844356933).

2251513305115 is a wasteful number, since it uses less digits than its factorization.

2251513305115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423615989.

The product of its (nonzero) digits is 22500, while the sum is 34.

Adding to 2251513305115 its reverse (5115033151522), we get a palindrome (7366546456637).

The spelling of 2251513305115 in words is "two trillion, two hundred fifty-one billion, five hundred thirteen million, three hundred five thousand, one hundred fifteen".