11405513132 has 48 divisors (see below), whose sum is σ = 21678148800. Its totient is φ = 5219365632.

The previous prime is 11405513123. The next prime is 11405513191. The reversal of 11405513132 is 23131550411.

11405513132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6174233 + ... + 6176079.

It is an arithmetic number, because the mean of its divisors is an integer number (451628100).

Almost surely, 2^11405513132 is an apocalyptic number.

It is an amenable number.

11405513132 is a deficient number, since it is larger than the sum of its proper divisors (10272635668).

11405513132 is a wasteful number, since it uses less digits than its factorization.

11405513132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2810 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 26.

The spelling of 11405513132 in words is "eleven billion, four hundred five million, five hundred thirteen thousand, one hundred thirty-two".