11994617152 has 112 divisors (see below), whose sum is σ = 28527816960. Its totient is φ = 4894912512.

The previous prime is 11994617149. The next prime is 11994617161. The reversal of 11994617152 is 25171649911.

11994617152 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×11994617152² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 942093 + ... + 954739.

Almost surely, 2^11994617152 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 11994617152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14263908480).

11994617152 is an abundant number, since it is smaller than the sum of its proper divisors (16533199808).

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

11994617152 is a wasteful number, since it uses less digits than its factorization.

11994617152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12768 (or 12758 counting only the distinct ones).

The product of its digits is 136080, while the sum is 46.

The spelling of 11994617152 in words is "eleven billion, nine hundred ninety-four million, six hundred seventeen thousand, one hundred fifty-two".