11520144446550 has 24 divisors (see below), whose sum is σ = 28569958227816. Its totient is φ = 3072038519040.

The previous prime is 11520144446527. The next prime is 11520144446557. The reversal of 11520144446550 is 5564444102511.

11520144446550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11520144446557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38400481339 + ... + 38400481638.

It is an arithmetic number, because the mean of its divisors is an integer number (1190414926159).

Almost surely, 2^{11520144446550} is an apocalyptic number.

11520144446550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11520144446550 is an abundant number, since it is smaller than the sum of its proper divisors (17049813781266).

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

11520144446550 is a wasteful number, since it uses less digits than its factorization.

11520144446550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76800962992 (or 76800962987 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 11520144446550 in words is "eleven trillion, five hundred twenty billion, one hundred forty-four million, four hundred forty-six thousand, five hundred fifty".