2015135645227 has 2 divisors, whose sum is σ = 2015135645228. Its totient is φ = 2015135645226.

The previous prime is 2015135645183. The next prime is 2015135645273. The reversal of 2015135645227 is 7225465315102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015135645227 - 2²³ = 2015127256619 is a prime.

It is not a weakly prime, because it can be changed into another prime (2015135645527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007567822613 + 1007567822614.

It is an arithmetic number, because the mean of its divisors is an integer number (1007567822614).

Almost surely, 2^{2015135645227} is an apocalyptic number.

2015135645227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015135645227 is an equidigital number, since it uses as much as digits as its factorization.

2015135645227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504000, while the sum is 43.

The spelling of 2015135645227 in words is "two trillion, fifteen billion, one hundred thirty-five million, six hundred forty-five thousand, two hundred twenty-seven".