385065511 has 8 divisors (see below), whose sum is σ = 392680224. Its totient is φ = 377463840.

The previous prime is 385065503. The next prime is 385065523. The reversal of 385065511 is 115560583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385065511 - 2³ = 385065503 is a prime.

It is a super-2 number, since 2×385065511² = 296550895523382242, which 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 (385015511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74181 + ... + 79201.

It is an arithmetic number, because the mean of its divisors is an integer number (49085028).

Almost surely, 2^385065511 is an apocalyptic number.

385065511 is a deficient number, since it is larger than the sum of its proper divisors (7614713).

385065511 is a wasteful number, since it uses less digits than its factorization.

385065511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521.

The product of its (nonzero) digits is 18000, while the sum is 34.

The square root of 385065511 is about 19623.0861741980. The cubic root of 385065511 is about 727.5198947493.

The spelling of 385065511 in words is "three hundred eighty-five million, sixty-five thousand, five hundred eleven".