11688412215578 has 8 divisors (see below), whose sum is σ = 20037278083872. Its totient is φ = 5009319520956.

The previous prime is 11688412215577. The next prime is 11688412215583. The reversal of 11688412215578 is 87551221488611.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11688412215577) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417443293400 + ... + 417443293427.

It is an arithmetic number, because the mean of its divisors is an integer number (2504659760484).

Almost surely, 2^{11688412215578} is an apocalyptic number.

11688412215578 is a deficient number, since it is larger than the sum of its proper divisors (8348865868294).

11688412215578 is an equidigital number, since it uses as much as digits as its factorization.

11688412215578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 834886586836.

The product of its digits is 8601600, while the sum is 59.

The spelling of 11688412215578 in words is "eleven trillion, six hundred eighty-eight billion, four hundred twelve million, two hundred fifteen thousand, five hundred seventy-eight".