2321251025215 has 16 divisors (see below), whose sum is σ = 2914762135968. Its totient is φ = 1772720816256.

The previous prime is 2321251025161. The next prime is 2321251025227. The reversal of 2321251025215 is 5125201521232.

It is a cyclic number.

It is not a de Polignac number, because 2321251025215 - 2³⁵ = 2286891286847 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 (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118360977 + ... + 118380586.

It is an arithmetic number, because the mean of its divisors is an integer number (182172633498).

Almost surely, 2^{2321251025215} is an apocalyptic number.

2321251025215 is a deficient number, since it is larger than the sum of its proper divisors (593511110753).

2321251025215 is a wasteful number, since it uses less digits than its factorization.

2321251025215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236741658.

The product of its (nonzero) digits is 12000, while the sum is 31.

Adding to 2321251025215 its reverse (5125201521232), we get a palindrome (7446452546447).

The spelling of 2321251025215 in words is "two trillion, three hundred twenty-one billion, two hundred fifty-one million, twenty-five thousand, two hundred fifteen".