11703660020641 has 4 divisors (see below), whose sum is σ = 12019975156372. Its totient is φ = 11387344884912.

The previous prime is 11703660020623. The next prime is 11703660020693. The reversal of 11703660020641 is 14602006630711.

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 9156191846400 + 2547468174241 = 3025920^2 + 1596079^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11703660020641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 316315135693 = 11703660020641 / (1 + 1 + 7 + 0 + 3 + 6 + 6 + 0 + 0 + 2 + 0 + 6 + 4 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11703660020641.

It is not an unprimeable number, because it can be changed into a prime (11703664020641) 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 3 ways as a sum of consecutive naturals, for example, 158157567810 + ... + 158157567883.

It is an arithmetic number, because the mean of its divisors is an integer number (3004993789093).

Almost surely, 2^{11703660020641} is an apocalyptic number.

It is an amenable number.

11703660020641 is a deficient number, since it is larger than the sum of its proper divisors (316315135731).

11703660020641 is an equidigital number, since it uses as much as digits as its factorization.

11703660020641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316315135730.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 11703660020641 in words is "eleven trillion, seven hundred three billion, six hundred sixty million, twenty thousand, six hundred forty-one".