11631716400 has 480 divisors, whose sum is σ = 42002311680. Its totient is φ = 2737152000.

The previous prime is 11631716399. The next prime is 11631716417. The reversal of 11631716400 is 461713611.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21500130 + ... + 21500670.

It is an arithmetic number, because the mean of its divisors is an integer number (87504816).

Almost surely, 2^11631716400 is an apocalyptic number.

11631716400 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 11631716400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21001155840).

11631716400 is an abundant number, since it is smaller than the sum of its proper divisors (30370595280).

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

11631716400 is a wasteful number, since it uses less digits than its factorization.

11631716400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645 (or 634 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 30.

The spelling of 11631716400 in words is "eleven billion, six hundred thirty-one million, seven hundred sixteen thousand, four hundred".