8105557785003 has 16 divisors (see below), whose sum is σ = 13723695720960. Its totient is φ = 4631747305608.

The previous prime is 8105557784999. The next prime is 8105557785037. The reversal of 8105557785003 is 3005877555018.

8105557785003 is a `hidden beast` number, since 8 + 1 + 0 + 5 + 557 + 7 + 85 + 0 + 0 + 3 = 666.

It is not a de Polignac number, because 8105557785003 - 2² = 8105557784999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8105557785053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21443274375 + ... + 21443274752.

It is an arithmetic number, because the mean of its divisors is an integer number (857730982560).

Almost surely, 2^{8105557785003} is an apocalyptic number.

8105557785003 is a deficient number, since it is larger than the sum of its proper divisors (5618137935957).

8105557785003 is a wasteful number, since it uses less digits than its factorization.

8105557785003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42886549143 (or 42886549137 counting only the distinct ones).

The product of its (nonzero) digits is 5880000, while the sum is 54.

The spelling of 8105557785003 in words is "eight trillion, one hundred five billion, five hundred fifty-seven million, seven hundred eighty-five thousand, three".