11045521431512 has 64 divisors (see below), whose sum is σ = 21637897666560. Its totient is φ = 5279751187200.

The previous prime is 11045521431491. The next prime is 11045521431521. The reversal of 11045521431512 is 21513412554011.

It is a happy number.

11045521431512 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 2×11045521431512² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 399130508 + ... + 399158180.

It is an arithmetic number, because the mean of its divisors is an integer number (338092151040).

Almost surely, 2^{11045521431512} is an apocalyptic number.

It is an amenable number.

11045521431512 is a deficient number, since it is larger than the sum of its proper divisors (10592376235048).

11045521431512 is a wasteful number, since it uses less digits than its factorization.

11045521431512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47184 (or 47180 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 35.

Adding to 11045521431512 its reverse (21513412554011), we get a palindrome (32558933985523).

The spelling of 11045521431512 in words is "eleven trillion, forty-five billion, five hundred twenty-one million, four hundred thirty-one thousand, five hundred twelve".