11405430554 has 8 divisors (see below), whose sum is σ = 19552166688. Its totient is φ = 4888041660.

The previous prime is 11405430541. The next prime is 11405430571. The reversal of 11405430554 is 45503450411.

11405430554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×11405430554² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11405430554.

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 3 ways as a sum of consecutive naturals, for example, 407336792 + ... + 407336819.

It is an arithmetic number, because the mean of its divisors is an integer number (2444020836).

Almost surely, 2^11405430554 is an apocalyptic number.

11405430554 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

11405430554 is a deficient number, since it is larger than the sum of its proper divisors (8146736134).

11405430554 is an equidigital number, since it uses as much as digits as its factorization.

11405430554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814673620.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 11405430554 its reverse (45503450411), we get a palindrome (56908880965).

The spelling of 11405430554 in words is "eleven billion, four hundred five million, four hundred thirty thousand, five hundred fifty-four".