9861336576001 has 4 divisors (see below), whose sum is σ = 9861490962004. Its totient is φ = 9861182190000.

The previous prime is 9861336575999. The next prime is 9861336576011. The reversal of 9861336576001 is 1006756331689.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6980930201025 + 2880406374976 = 2642145^2 + 1697176^2 .

It is a cyclic number.

It is not a de Polignac number, because 9861336576001 - 2¹ = 9861336575999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9861336576011) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 77097150 + ... + 77224951.

It is an arithmetic number, because the mean of its divisors is an integer number (2465372740501).

Almost surely, 2^{9861336576001} is an apocalyptic number.

It is an amenable number.

9861336576001 is a deficient number, since it is larger than the sum of its proper divisors (154386003).

9861336576001 is a wasteful number, since it uses less digits than its factorization.

9861336576001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154386002.

The product of its (nonzero) digits is 4898880, while the sum is 55.

The spelling of 9861336576001 in words is "nine trillion, eight hundred sixty-one billion, three hundred thirty-six million, five hundred seventy-six thousand, one".