6615111016485 has 12 divisors (see below), whose sum is σ = 11466192428652. Its totient is φ = 3528059208768.

The previous prime is 6615111016457. The next prime is 6615111016517. The reversal of 6615111016485 is 5846101115166.

6615111016485 is a `hidden beast` number, since 6 + 6 + 1 + 51 + 110 + 1 + 6 + 485 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4359004879329 + 2256106137156 = 2087823^2 + 1502034^2 .

It is not a de Polignac number, because 6615111016485 - 2¹³ = 6615111008293 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 147002467033 = 6615111016485 / (6 + 6 + 1 + 5 + 1 + 1 + 1 + 0 + 1 + 6 + 4 + 8 + 5).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6615111016485.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73501233472 + ... + 73501233561.

It is an arithmetic number, because the mean of its divisors is an integer number (955516035721).

Almost surely, 2^{6615111016485} is an apocalyptic number.

It is an amenable number.

6615111016485 is a deficient number, since it is larger than the sum of its proper divisors (4851081412167).

6615111016485 is a wasteful number, since it uses less digits than its factorization.

6615111016485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147002467044 (or 147002467041 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 45.

The spelling of 6615111016485 in words is "six trillion, six hundred fifteen billion, one hundred eleven million, sixteen thousand, four hundred eighty-five".