11541040800 has 288 divisors, whose sum is σ = 40514281920. Its totient is φ = 2844057600.

The previous prime is 11541040787. The next prime is 11541040807. The reversal of 11541040800 is 804014511.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (11541040807) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1866514 + ... + 1872686.

It is an arithmetic number, because the mean of its divisors is an integer number (140674590).

Almost surely, 2^11541040800 is an apocalyptic number.

11541040800 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 11541040800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20257140960).

11541040800 is an abundant number, since it is smaller than the sum of its proper divisors (28973241120).

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

11541040800 is a wasteful number, since it uses less digits than its factorization.

11541040800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6256 (or 6243 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 24.

The spelling of 11541040800 in words is "eleven billion, five hundred forty-one million, forty thousand, eight hundred".