2125750015 has 4 divisors (see below), whose sum is σ = 2550900024. Its totient is φ = 1700600008.

The previous prime is 2125750009. The next prime is 2125750019. The reversal of 2125750015 is 5100575212.

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

It is a cyclic number.

It is not a de Polignac number, because 2125750015 - 2²¹ = 2123652863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2125750019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 212574997 + ... + 212575006.

It is an arithmetic number, because the mean of its divisors is an integer number (637725006).

Almost surely, 2^2125750015 is an apocalyptic number.

2125750015 is a deficient number, since it is larger than the sum of its proper divisors (425150009).

2125750015 is an equidigital number, since it uses as much as digits as its factorization.

2125750015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425150008.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 2125750015 is about 46105.8566236438. The cubic root of 2125750015 is about 1285.7920324209.

The spelling of 2125750015 in words is "two billion, one hundred twenty-five million, seven hundred fifty thousand, fifteen".