16135011227 has 2 divisors, whose sum is σ = 16135011228. Its totient is φ = 16135011226.

The previous prime is 16135011197. The next prime is 16135011247. The reversal of 16135011227 is 72211053161.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16135011227 - 2¹⁶ = 16134945691 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16135011227.

It is not a weakly prime, because it can be changed into another prime (16135011247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8067505613 + 8067505614.

It is an arithmetic number, because the mean of its divisors is an integer number (8067505614).

Almost surely, 2^16135011227 is an apocalyptic number.

16135011227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16135011227 is an equidigital number, since it uses as much as digits as its factorization.

16135011227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 29.

Adding to 16135011227 its reverse (72211053161), we get a palindrome (88346064388).

The spelling of 16135011227 in words is "sixteen billion, one hundred thirty-five million, eleven thousand, two hundred twenty-seven".