11704639536 has 160 divisors (see below), whose sum is σ = 35648164800. Its totient is φ = 3664281600.

The previous prime is 11704639489. The next prime is 11704639549. The reversal of 11704639536 is 63593640711.

It is a happy number.

11704639536 is a `hidden beast` number, since 1 + 1 + 7 + 0 + 4 + 639 + 5 + 3 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11704639491 and 11704639500.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4177336 + ... + 4180136.

It is an arithmetic number, because the mean of its divisors is an integer number (222801030).

Almost surely, 2^11704639536 is an apocalyptic number.

11704639536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11704639536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17824082400).

11704639536 is an abundant number, since it is smaller than the sum of its proper divisors (23943525264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11704639536 is a wasteful number, since it uses less digits than its factorization.

11704639536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3404 (or 3392 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 45.

The spelling of 11704639536 in words is "eleven billion, seven hundred four million, six hundred thirty-nine thousand, five hundred thirty-six".