10000156516605 has 12 divisors (see below), whose sum is σ = 17333604628860. Its totient is φ = 5333416808832.

The previous prime is 10000156516601. The next prime is 10000156516709. The reversal of 10000156516605 is 50661565100001.

It can be written as a sum of positive squares in 2 ways, for example, as 4392453089124 + 5607703427481 = 2095818^2 + 2368059^2 .

It is not a de Polignac number, because 10000156516605 - 2² = 10000156516601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000156516605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000156516601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111112850140 + ... + 111112850229.

It is an arithmetic number, because the mean of its divisors is an integer number (1444467052405).

Almost surely, 2^{10000156516605} is an apocalyptic number.

10000156516605 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10000156516605 is a deficient number, since it is larger than the sum of its proper divisors (7333448112255).

10000156516605 is a wasteful number, since it uses less digits than its factorization.

10000156516605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222225700380 (or 222225700377 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The spelling of 10000156516605 in words is "ten trillion, one hundred fifty-six million, five hundred sixteen thousand, six hundred five".