9135265695601 has 2 divisors, whose sum is σ = 9135265695602. Its totient is φ = 9135265695600.

The previous prime is 9135265695599. The next prime is 9135265695607. The reversal of 9135265695601 is 1065965625319.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6772355640625 + 2362910054976 = 2602375^2 + 1537176^2 .

It is a cyclic number.

It is not a de Polignac number, because 9135265695601 - 2¹ = 9135265695599 is a prime.

Together with 9135265695599, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (9135265695607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4567632847800 + 4567632847801.

It is an arithmetic number, because the mean of its divisors is an integer number (4567632847801).

Almost surely, 2^{9135265695601} is an apocalyptic number.

It is an amenable number.

9135265695601 is a deficient number, since it is larger than the sum of its proper divisors (1).

9135265695601 is an equidigital number, since it uses as much as digits as its factorization.

9135265695601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122000, while the sum is 58.

The spelling of 9135265695601 in words is "nine trillion, one hundred thirty-five billion, two hundred sixty-five million, six hundred ninety-five thousand, six hundred one".