4065528785135 has 16 divisors (see below), whose sum is σ = 5035923531936. Its totient is φ = 3148456123008.

The previous prime is 4065528785117. The next prime is 4065528785137. The reversal of 4065528785135 is 5315878255604.

It is a cyclic number.

It is not a de Polignac number, because 4065528785135 - 2²⁰ = 4065527736559 is a prime.

It is a super-2 number, since 2×4065528785135² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4065528785137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55739777 + ... + 55812666.

It is an arithmetic number, because the mean of its divisors is an integer number (314745220746).

Almost surely, 2^{4065528785135} is an apocalyptic number.

4065528785135 is a deficient number, since it is larger than the sum of its proper divisors (970394746801).

4065528785135 is a wasteful number, since it uses less digits than its factorization.

4065528785135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111552682.

The product of its (nonzero) digits is 40320000, while the sum is 59.

The spelling of 4065528785135 in words is "four trillion, sixty-five billion, five hundred twenty-eight million, seven hundred eighty-five thousand, one hundred thirty-five".