385134755215655 has 64 divisors (see below), whose sum is σ = 477855958809600. Its totient is φ = 297851216931840.

The previous prime is 385134755215627. The next prime is 385134755215729. The reversal of 385134755215655 is 556512557431583.

It is a de Polignac number, because none of the positive numbers 2^k-385134755215655 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385134755215591 and 385134755215600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26094901166 + ... + 26094915924.

It is an arithmetic number, because the mean of its divisors is an integer number (7466499356400).

Almost surely, 2^{385134755215655} is an apocalyptic number.

385134755215655 is a deficient number, since it is larger than the sum of its proper divisors (92721203593945).

385134755215655 is a wasteful number, since it uses less digits than its factorization.

385134755215655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20264.

The product of its digits is 378000000, while the sum is 65.

The spelling of 385134755215655 in words is "three hundred eighty-five trillion, one hundred thirty-four billion, seven hundred fifty-five million, two hundred fifteen thousand, six hundred fifty-five".