385566055885 has 32 divisors (see below), whose sum is σ = 470918448000. Its totient is φ = 303012852480.

The previous prime is 385566055829. The next prime is 385566055891. The reversal of 385566055885 is 588550665583.

It is not a de Polignac number, because 385566055885 - 2⁹ = 385566055373 is a prime.

It is a super-2 number, since 2×385566055885² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 116871966 + ... + 116875264.

It is an arithmetic number, because the mean of its divisors is an integer number (14716201500).

Almost surely, 2^385566055885 is an apocalyptic number.

It is an amenable number.

385566055885 is a deficient number, since it is larger than the sum of its proper divisors (85352392115).

385566055885 is a wasteful number, since it uses less digits than its factorization.

385566055885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181.

The product of its (nonzero) digits is 172800000, while the sum is 64.

The spelling of 385566055885 in words is "three hundred eighty-five billion, five hundred sixty-six million, fifty-five thousand, eight hundred eighty-five".