385396551155 has 16 divisors (see below), whose sum is σ = 576593282304. Its totient is φ = 240247200480.

The previous prime is 385396551139. The next prime is 385396551223. The reversal of 385396551155 is 551155693583.

It is a happy number.

It is not a de Polignac number, because 385396551155 - 2⁴ = 385396551139 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 385396551155.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 500514617 + ... + 500515386.

It is an arithmetic number, because the mean of its divisors is an integer number (36037080144).

Almost surely, 2^385396551155 is an apocalyptic number.

385396551155 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

385396551155 is a deficient number, since it is larger than the sum of its proper divisors (191196731149).

385396551155 is a wasteful number, since it uses less digits than its factorization.

385396551155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001030026.

The product of its digits is 12150000, while the sum is 56.

The spelling of 385396551155 in words is "three hundred eighty-five billion, three hundred ninety-six million, five hundred fifty-one thousand, one hundred fifty-five".