11551930368 has 96 divisors (see below), whose sum is σ = 33597607680. Its totient is φ = 3500564480.

The previous prime is 11551930337. The next prime is 11551930373. The reversal of 11551930368 is 86303915511.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17880 + ... + 153047.

It is an arithmetic number, because the mean of its divisors is an integer number (349975080).

Almost surely, 2^11551930368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11551930368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16798803840).

11551930368 is an abundant number, since it is smaller than the sum of its proper divisors (22045677312).

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

11551930368 is a wasteful number, since it uses less digits than its factorization.

11551930368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170963 (or 170943 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The spelling of 11551930368 in words is "eleven billion, five hundred fifty-one million, nine hundred thirty thousand, three hundred sixty-eight".