2015161374227 has 2 divisors, whose sum is σ = 2015161374228. Its totient is φ = 2015161374226.

The previous prime is 2015161374223. The next prime is 2015161374241. The reversal of 2015161374227 is 7224731615102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2015161374227 - 2² = 2015161374223 is a prime.

It is a super-2 number, since 2×2015161374227² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2015161374223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1007580687113 + 1007580687114.

It is an arithmetic number, because the mean of its divisors is an integer number (1007580687114).

Almost surely, 2^{2015161374227} is an apocalyptic number.

2015161374227 is a deficient number, since it is larger than the sum of its proper divisors (1).

2015161374227 is an equidigital number, since it uses as much as digits as its factorization.

2015161374227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 41.

Adding to 2015161374227 its reverse (7224731615102), we get a palindrome (9239892989329).

The spelling of 2015161374227 in words is "two trillion, fifteen billion, one hundred sixty-one million, three hundred seventy-four thousand, two hundred twenty-seven".