11697549009 has 8 divisors (see below), whose sum is σ = 15663671712. Its totient is φ = 7764896160.

The previous prime is 11697548939. The next prime is 11697549107. The reversal of 11697549009 is 90094579611.

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

It is not a de Polignac number, because 11697549009 - 2¹⁷ = 11697417937 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11697547009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8366647 + ... + 8368044.

It is an arithmetic number, because the mean of its divisors is an integer number (1957958964).

Almost surely, 2^11697549009 is an apocalyptic number.

It is an amenable number.

11697549009 is a deficient number, since it is larger than the sum of its proper divisors (3966122703).

11697549009 is a wasteful number, since it uses less digits than its factorization.

11697549009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16734927.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 11697549009 in words is "eleven billion, six hundred ninety-seven million, five hundred forty-nine thousand, nine".