11451434234512 has 80 divisors (see below), whose sum is σ = 22505317424640. Its totient is φ = 5643860391936.

The previous prime is 11451434234503. The next prime is 11451434234519. The reversal of 11451434234512 is 21543243415411.

11451434234512 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 2×11451434234512² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11451434234519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2498674173 + ... + 2498678755.

It is an arithmetic number, because the mean of its divisors is an integer number (281316467808).

Almost surely, 2^{11451434234512} is an apocalyptic number.

It is an amenable number.

11451434234512 is a deficient number, since it is larger than the sum of its proper divisors (11053883190128).

11451434234512 is a wasteful number, since it uses less digits than its factorization.

11451434234512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7520 (or 7514 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 11451434234512 its reverse (21543243415411), we get a palindrome (32994677649923).

The spelling of 11451434234512 in words is "eleven trillion, four hundred fifty-one billion, four hundred thirty-four million, two hundred thirty-four thousand, five hundred twelve".