2015145211 has 2 divisors, whose sum is σ = 2015145212. Its totient is φ = 2015145210.

The previous prime is 2015145199. The next prime is 2015145227. The reversal of 2015145211 is 1125415102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015145211 - 2⁵ = 2015145179 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015145271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007572605 + 1007572606.

It is an arithmetic number, because the mean of its divisors is an integer number (1007572606).

Almost surely, 2^2015145211 is an apocalyptic number.

2015145211 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015145211 is an equidigital number, since it uses as much as digits as its factorization.

2015145211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 2015145211 is about 44890.3687999999. The cubic root of 2015145211 is about 1263.0933508154.

The spelling of 2015145211 in words is "two billion, fifteen million, one hundred forty-five thousand, two hundred eleven".