11450111512 has 32 divisors (see below), whose sum is σ = 25827321600. Its totient is φ = 4648917024.

The previous prime is 11450111489. The next prime is 11450111513. The reversal of 11450111512 is 21511105411.

11450111512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×11450111512² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11450111513) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5379628 + ... + 5381755.

It is an arithmetic number, because the mean of its divisors is an integer number (807103800).

Almost surely, 2^11450111512 is an apocalyptic number.

It is an amenable number.

11450111512 is an abundant number, since it is smaller than the sum of its proper divisors (14377210088).

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

11450111512 is a wasteful number, since it uses less digits than its factorization.

11450111512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10761415 (or 10761411 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 22.

Adding to 11450111512 its reverse (21511105411), we get a palindrome (32961216923).

The spelling of 11450111512 in words is "eleven billion, four hundred fifty million, one hundred eleven thousand, five hundred twelve".