1086395172855 has 8 divisors (see below), whose sum is σ = 1738232276592. Its totient is φ = 579410758848.

The previous prime is 1086395172847. The next prime is 1086395172857. The reversal of 1086395172855 is 5582715936801.

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

It is not a de Polignac number, because 1086395172855 - 2³ = 1086395172847 is a prime.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086395172857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36213172414 + ... + 36213172443.

It is an arithmetic number, because the mean of its divisors is an integer number (217279034574).

Almost surely, 2^{1086395172855} is an apocalyptic number.

1086395172855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1086395172855 is a deficient number, since it is larger than the sum of its proper divisors (651837103737).

1086395172855 is an equidigital number, since it uses as much as digits as its factorization.

1086395172855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72426344865.

The product of its (nonzero) digits is 18144000, while the sum is 60.

The spelling of 1086395172855 in words is "one trillion, eighty-six billion, three hundred ninety-five million, one hundred seventy-two thousand, eight hundred fifty-five".