11811450829 has 6 divisors (see below), whose sum is σ = 12092525646. Its totient is φ = 11536764120.

The previous prime is 11811450809. The next prime is 11811450841. The reversal of 11811450829 is 92805411811.

It can be written as a sum of positive squares in only one way, i.e., 6994813225 + 4816637604 = 83635^2 + 69402^2 .

It is not a de Polignac number, because 11811450829 - 2¹⁷ = 11811319757 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11811450791 and 11811450800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11811450809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3192162 + ... + 3195859.

It is an arithmetic number, because the mean of its divisors is an integer number (2015420941).

Almost surely, 2^11811450829 is an apocalyptic number.

It is an amenable number.

11811450829 is a deficient number, since it is larger than the sum of its proper divisors (281074817).

11811450829 is an frugal number, since it uses more digits than its factorization.

11811450829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6388107 (or 6388064 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 40.

The spelling of 11811450829 in words is "eleven billion, eight hundred eleven million, four hundred fifty thousand, eight hundred twenty-nine".