385116155 has 4 divisors (see below), whose sum is σ = 462139392. Its totient is φ = 308092920.

The previous prime is 385116107. The next prime is 385116161. The reversal of 385116155 is 551611583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 551611583 = 6659 ⋅82837.

It is not a de Polignac number, because 385116155 - 2¹⁰ = 385115131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38511611 + ... + 38511620.

It is an arithmetic number, because the mean of its divisors is an integer number (115534848).

Almost surely, 2^385116155 is an apocalyptic number.

385116155 is a deficient number, since it is larger than the sum of its proper divisors (77023237).

385116155 is an equidigital number, since it uses as much as digits as its factorization.

385116155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77023236.

The product of its digits is 18000, while the sum is 35.

The square root of 385116155 is about 19624.3765506066. The cubic root of 385116155 is about 727.5517879392.

The spelling of 385116155 in words is "three hundred eighty-five million, one hundred sixteen thousand, one hundred fifty-five".