11916582897 has 8 divisors (see below), whose sum is σ = 15907993056. Its totient is φ = 7934780672.

The previous prime is 11916582857. The next prime is 11916582901. The reversal of 11916582897 is 79828561911.

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 11916582897 - 2⁶ = 11916582833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11916582857) 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, 2399088 + ... + 2404049.

It is an arithmetic number, because the mean of its divisors is an integer number (1988499132).

Almost surely, 2^11916582897 is an apocalyptic number.

It is an amenable number.

11916582897 is a deficient number, since it is larger than the sum of its proper divisors (3991410159).

11916582897 is an equidigital number, since it uses as much as digits as its factorization.

11916582897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4803967.

The product of its digits is 2177280, while the sum is 57.

The spelling of 11916582897 in words is "eleven billion, nine hundred sixteen million, five hundred eighty-two thousand, eight hundred ninety-seven".