5581085102505 has 48 divisors (see below), whose sum is σ = 10553688961920. Its totient is φ = 2705887219200.

The previous prime is 5581085102491. The next prime is 5581085102513. The reversal of 5581085102505 is 5052015801855.

5581085102505 is a `hidden beast` number, since 5 + 5 + 8 + 108 + 510 + 25 + 0 + 5 = 666.

5581085102505 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5581085102505 - 2¹⁹ = 5581084578217 is a prime.

It is a super-2 number, since 2×5581085102505² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15419041 + ... + 15776849.

It is an arithmetic number, because the mean of its divisors is an integer number (219868520040).

Almost surely, 2^{5581085102505} is an apocalyptic number.

5581085102505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5581085102505 is a deficient number, since it is larger than the sum of its proper divisors (4972603859415).

5581085102505 is a wasteful number, since it uses less digits than its factorization.

5581085102505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389342 (or 389339 counting only the distinct ones).

The product of its (nonzero) digits is 400000, while the sum is 45.

The spelling of 5581085102505 in words is "five trillion, five hundred eighty-one billion, eighty-five million, one hundred two thousand, five hundred five".