2127145015 has 4 divisors (see below), whose sum is σ = 2552574024. Its totient is φ = 1701716008.

The previous prime is 2127144989. The next prime is 2127145037. The reversal of 2127145015 is 5105417212.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2127145015 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212714497 + ... + 212714506.

It is an arithmetic number, because the mean of its divisors is an integer number (638143506).

Almost surely, 2^2127145015 is an apocalyptic number.

2127145015 is a deficient number, since it is larger than the sum of its proper divisors (425429009).

2127145015 is an equidigital number, since it uses as much as digits as its factorization.

2127145015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425429008.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 2127145015 is about 46120.9823724517. The cubic root of 2127145015 is about 1286.0732331978.

The spelling of 2127145015 in words is "two billion, one hundred twenty-seven million, one hundred forty-five thousand, fifteen".