2125344120515 has 16 divisors (see below), whose sum is σ = 3179735619840. Its totient is φ = 1324889841120.

The previous prime is 2125344120503. The next prime is 2125344120577. The reversal of 2125344120515 is 5150214435212.

It is not a de Polignac number, because 2125344120515 - 2⁴⁰ = 1025832492739 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 2760186785 + ... + 2760187554.

It is an arithmetic number, because the mean of its divisors is an integer number (198733476240).

Almost surely, 2^{2125344120515} is an apocalyptic number.

2125344120515 is a deficient number, since it is larger than the sum of its proper divisors (1054391499325).

2125344120515 is a wasteful number, since it uses less digits than its factorization.

2125344120515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5520374362.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 2125344120515 its reverse (5150214435212), we get a palindrome (7275558555727).

The spelling of 2125344120515 in words is "two trillion, one hundred twenty-five billion, three hundred forty-four million, one hundred twenty thousand, five hundred fifteen".