1181024657409 has 8 divisors (see below), whose sum is σ = 1613106849312. Its totient is φ = 768146118560.

The previous prime is 1181024657387. The next prime is 1181024657411. The reversal of 1181024657409 is 9047564201811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1181024657409 - 2¹¹ = 1181024655361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1181024657609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4800913119 + ... + 4800913364.

It is an arithmetic number, because the mean of its divisors is an integer number (201638356164).

Almost surely, 2^{1181024657409} is an apocalyptic number.

It is an amenable number.

1181024657409 is a deficient number, since it is larger than the sum of its proper divisors (432082191903).

1181024657409 is an equidigital number, since it uses as much as digits as its factorization.

1181024657409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9601826527.

The product of its (nonzero) digits is 483840, while the sum is 48.

The spelling of 1181024657409 in words is "one trillion, one hundred eighty-one billion, twenty-four million, six hundred fifty-seven thousand, four hundred nine".