11405333052 has 18 divisors (see below), whose sum is σ = 28830147528. Its totient is φ = 3801777672.

The previous prime is 11405332951. The next prime is 11405333111. The reversal of 11405333052 is 25033350411.

11405333052 is a `hidden beast` number, since 11 + 40 + 533 + 30 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158407368 + ... + 158407439.

Almost surely, 2^11405333052 is an apocalyptic number.

11405333052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11405333052 is an abundant number, since it is smaller than the sum of its proper divisors (17424814476).

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

11405333052 is a wasteful number, since it uses less digits than its factorization.

11405333052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316814817 (or 316814812 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

Adding to 11405333052 its reverse (25033350411), we get a palindrome (36438683463).

The spelling of 11405333052 in words is "eleven billion, four hundred five million, three hundred thirty-three thousand, fifty-two".