11573801344 has 64 divisors (see below), whose sum is σ = 26418252960. Its totient is φ = 4947554304.

The previous prime is 11573801251. The next prime is 11573801357. The reversal of 11573801344 is 44310837511.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339444 + ... + 371980.

Almost surely, 2^11573801344 is an apocalyptic number.

11573801344 is a gapful number since it is divisible by the number (14) 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 11573801344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13209126480).

11573801344 is an abundant number, since it is smaller than the sum of its proper divisors (14844451616).

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

11573801344 is an equidigital number, since it uses as much as digits as its factorization.

11573801344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32955 (or 32943 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 11573801344 in words is "eleven billion, five hundred seventy-three million, eight hundred one thousand, three hundred forty-four".