6853858851355 has 32 divisors (see below), whose sum is σ = 8610911743104. Its totient is φ = 5231428540416.

The previous prime is 6853858851311. The next prime is 6853858851377. The reversal of 6853858851355 is 5531588583586.

It is a cyclic number.

It is not a de Polignac number, because 6853858851355 - 2¹⁹ = 6853858327067 is a prime.

It is a Duffinian 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, 18178162 + ... + 18551368.

It is an arithmetic number, because the mean of its divisors is an integer number (269090991972).

Almost surely, 2^{6853858851355} is an apocalyptic number.

6853858851355 is a deficient number, since it is larger than the sum of its proper divisors (1757052891749).

6853858851355 is a wasteful number, since it uses less digits than its factorization.

6853858851355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375175.

The product of its digits is 691200000, while the sum is 70.

The spelling of 6853858851355 in words is "six trillion, eight hundred fifty-three billion, eight hundred fifty-eight million, eight hundred fifty-one thousand, three hundred fifty-five".