1196663305545 has 12 divisors (see below), whose sum is σ = 2074216396356. Its totient is φ = 638220429600.

The previous prime is 1196663305543. The next prime is 1196663305667. The reversal of 1196663305545 is 5455033666911.

It can be written as a sum of positive squares in 2 ways, for example, as 327920005449 + 868743300096 = 572643^2 + 932064^2 .

It is not a de Polignac number, because 1196663305545 - 2¹ = 1196663305543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1196663305491 and 1196663305500.

It is not an unprimeable number, because it can be changed into a prime (1196663305543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13296258906 + ... + 13296258995.

It is an arithmetic number, because the mean of its divisors is an integer number (172851366363).

Almost surely, 2^{1196663305545} is an apocalyptic number.

1196663305545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1196663305545 is a deficient number, since it is larger than the sum of its proper divisors (877553090811).

1196663305545 is a wasteful number, since it uses less digits than its factorization.

1196663305545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26592517912 (or 26592517909 counting only the distinct ones).

The product of its (nonzero) digits is 8748000, while the sum is 54.

The spelling of 1196663305545 in words is "one trillion, one hundred ninety-six billion, six hundred sixty-three million, three hundred five thousand, five hundred forty-five".