11211204043 has 8 divisors (see below), whose sum is σ = 12076311968. Its totient is φ = 10346482944.

The previous prime is 11211204007. The next prime is 11211204061. The reversal of 11211204043 is 34040211211.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211204043 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11211204043.

It is not an unprimeable number, because it can be changed into a prime (11211207043) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 35046 + ... + 153787.

It is an arithmetic number, because the mean of its divisors is an integer number (1509538996).

Almost surely, 2^11211204043 is an apocalyptic number.

11211204043 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11211204043 is a deficient number, since it is larger than the sum of its proper divisors (865107925).

11211204043 is a wasteful number, since it uses less digits than its factorization.

11211204043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193413.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11211204043 its reverse (34040211211), we get a palindrome (45251415254).

The spelling of 11211204043 in words is "eleven billion, two hundred eleven million, two hundred four thousand, forty-three".