2145415725271 has 32 divisors (see below), whose sum is σ = 2756903804928. Its totient is φ = 1622733298560.

The previous prime is 2145415725247. The next prime is 2145415725281. The reversal of 2145415725271 is 1725275145412.

It is a cyclic number.

It is not a de Polignac number, because 2145415725271 - 2¹¹ = 2145415723223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2145415725281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3349530 + ... + 3938296.

It is an arithmetic number, because the mean of its divisors is an integer number (86153243904).

Almost surely, 2^{2145415725271} is an apocalyptic number.

2145415725271 is a deficient number, since it is larger than the sum of its proper divisors (611488079657).

2145415725271 is a wasteful number, since it uses less digits than its factorization.

2145415725271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590551.

The product of its digits is 784000, while the sum is 46.

The spelling of 2145415725271 in words is "two trillion, one hundred forty-five billion, four hundred fifteen million, seven hundred twenty-five thousand, two hundred seventy-one".