11559638607578 has 8 divisors (see below), whose sum is σ = 17353230320160. Its totient is φ = 5775228500860.

The previous prime is 11559638607547. The next prime is 11559638607599. The reversal of 11559638607578 is 87570683695511.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2295398318 + ... + 2295403353.

It is an arithmetic number, because the mean of its divisors is an integer number (2169153790020).

Almost surely, 2^{11559638607578} is an apocalyptic number.

11559638607578 is a deficient number, since it is larger than the sum of its proper divisors (5793591712582).

11559638607578 is a wasteful number, since it uses less digits than its factorization.

11559638607578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4590802932.

The product of its (nonzero) digits is 381024000, while the sum is 71.

The spelling of 11559638607578 in words is "eleven trillion, five hundred fifty-nine billion, six hundred thirty-eight million, six hundred seven thousand, five hundred seventy-eight".