2855109289605 has 8 divisors (see below), whose sum is σ = 4568174863392. Its totient is φ = 1522724954448.

The previous prime is 2855109289589. The next prime is 2855109289723. The reversal of 2855109289605 is 5069829015582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2855109289605 - 2⁴ = 2855109289589 is a prime.

It is a super-2 number, since 2×2855109289605² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95170309639 + ... + 95170309668.

It is an arithmetic number, because the mean of its divisors is an integer number (571021857924).

Almost surely, 2^{2855109289605} is an apocalyptic number.

It is an amenable number.

2855109289605 is a deficient number, since it is larger than the sum of its proper divisors (1713065573787).

2855109289605 is a wasteful number, since it uses less digits than its factorization.

2855109289605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190340619315.

The product of its (nonzero) digits is 15552000, while the sum is 60.

The spelling of 2855109289605 in words is "two trillion, eight hundred fifty-five billion, one hundred nine million, two hundred eighty-nine thousand, six hundred five".