8135985484055 has 96 divisors (see below), whose sum is σ = 12419397772992. Its totient is φ = 5063899484160.

The previous prime is 8135985484043. The next prime is 8135985484129. The reversal of 8135985484055 is 5504845895318.

It is a de Polignac number, because none of the positive numbers 2^k-8135985484055 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (65).

It is a junction number, because it is equal to n+sod(n) for n = 8135985483982 and 8135985484000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8504129 + ... + 9412341.

It is an arithmetic number, because the mean of its divisors is an integer number (129368726802).

Almost surely, 2^{8135985484055} is an apocalyptic number.

8135985484055 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8135985484055 is a deficient number, since it is larger than the sum of its proper divisors (4283412288937).

8135985484055 is a wasteful number, since it uses less digits than its factorization.

8135985484055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908337 (or 908326 counting only the distinct ones).

The product of its (nonzero) digits is 138240000, while the sum is 65.

The spelling of 8135985484055 in words is "eight trillion, one hundred thirty-five billion, nine hundred eighty-five million, four hundred eighty-four thousand, fifty-five".