11689716480 has 216 divisors, whose sum is σ = 40429036368. Its totient is φ = 2877308928.

The previous prime is 11689716461. The next prime is 11689716523. The reversal of 11689716480 is 8461798611.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 639954 + ... + 657966.

Almost surely, 2^11689716480 is an apocalyptic number.

11689716480 is a gapful number since it is divisible by the number (10) 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 11689716480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20214518184).

11689716480 is an abundant number, since it is smaller than the sum of its proper divisors (28739319888).

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

11689716480 is a wasteful number, since it uses less digits than its factorization.

11689716480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18063 (or 18036 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 51.

The spelling of 11689716480 in words is "eleven billion, six hundred eighty-nine million, seven hundred sixteen thousand, four hundred eighty".