11404135531512 has 64 divisors (see below), whose sum is σ = 31801415709600. Its totient is φ = 3786587136000.

The previous prime is 11404135531381. The next prime is 11404135531571. The reversal of 11404135531512 is 21513553140411.

11404135531512 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 4 + 135 + 5 + 3 + 1 + 512 = 666.

It is a super-2 number, since 2×11404135531512² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 102662239 + ... + 102773262.

Almost surely, 2^{11404135531512} is an apocalyptic number.

11404135531512 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11404135531512 is an abundant number, since it is smaller than the sum of its proper divisors (20397280178088).

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

11404135531512 is a wasteful number, since it uses less digits than its factorization.

11404135531512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205435773 (or 205435763 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

Adding to 11404135531512 its reverse (21513553140411), we get a palindrome (32917688671923).

The spelling of 11404135531512 in words is "eleven trillion, four hundred four billion, one hundred thirty-five million, five hundred thirty-one thousand, five hundred twelve".