11636043560 has 64 divisors (see below), whose sum is σ = 26433950400. Its totient is φ = 4609612800.

The previous prime is 11636043547. The next prime is 11636043577. The reversal of 11636043560 is 6534063611.

It is a self number, because there is not a number n which added to its sum of digits gives 11636043560.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2990096 + ... + 2993984.

It is an arithmetic number, because the mean of its divisors is an integer number (413030475).

Almost surely, 2^11636043560 is an apocalyptic number.

11636043560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11636043560 is an abundant number, since it is smaller than the sum of its proper divisors (14797906840).

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

11636043560 is a wasteful number, since it uses less digits than its factorization.

11636043560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4602 (or 4598 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 35.

The spelling of 11636043560 in words is "eleven billion, six hundred thirty-six million, forty-three thousand, five hundred sixty".