1194913520641 has 9 divisors (see below), whose sum is σ = 1249151381121. Its totient is φ = 1142936710212.

The previous prime is 1194913520627. The next prime is 1194913520699. The reversal of 1194913520641 is 1460253194911.

The square root of 1194913520641 is 1093121.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1194913520641 - 2¹¹ = 1194913518593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1194913520591 and 1194913520600.

It is not an unprimeable number, because it can be changed into a prime (1194913520611) 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 8 ways as a sum of consecutive naturals, for example, 25118020 + ... + 25165546.

Almost surely, 2^{1194913520641} is an apocalyptic number.

1194913520641 is the 1093121-st square number.

1194913520641 is the 546561-st centered octagonal number.

It is an amenable number.

1194913520641 is a deficient number, since it is larger than the sum of its proper divisors (54237860480).

1194913520641 is an frugal number, since it uses more digits than its factorization.

1194913520641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95100 (or 47550 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 1194913520641 in words is "one trillion, one hundred ninety-four billion, nine hundred thirteen million, five hundred twenty thousand, six hundred forty-one".