201085135619 has 2 divisors, whose sum is σ = 201085135620. Its totient is φ = 201085135618.

The previous prime is 201085135523. The next prime is 201085135621. The reversal of 201085135619 is 916531580102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 201085135619 - 2¹⁶ = 201085070083 is a prime.

It is a super-2 number, since 2×201085135619² (a number of 23 digits) contains 22 as substring.

Together with 201085135621, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (201085135679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100542567809 + 100542567810.

It is an arithmetic number, because the mean of its divisors is an integer number (100542567810).

Almost surely, 2^201085135619 is an apocalyptic number.

201085135619 is a deficient number, since it is larger than the sum of its proper divisors (1).

201085135619 is an equidigital number, since it uses as much as digits as its factorization.

201085135619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 41.

The spelling of 201085135619 in words is "two hundred one billion, eighty-five million, one hundred thirty-five thousand, six hundred nineteen".