11130421105 has 8 divisors (see below), whose sum is σ = 13360416552. Its totient is φ = 8901729408.

The previous prime is 11130421091. The next prime is 11130421139. The reversal of 11130421105 is 50112403111.

It can be written as a sum of positive squares in 4 ways, for example, as 63170704 + 11067250401 = 7948^2 + 105201^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11130421105 - 2¹³ = 11130412913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307054 + ... + 341383.

It is an arithmetic number, because the mean of its divisors is an integer number (1670052069).

Almost surely, 2^11130421105 is an apocalyptic number.

It is an amenable number.

11130421105 is a deficient number, since it is larger than the sum of its proper divisors (2229995447).

11130421105 is an equidigital number, since it uses as much as digits as its factorization.

11130421105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651875.

The product of its (nonzero) digits is 120, while the sum is 19.

Adding to 11130421105 its reverse (50112403111), we get a palindrome (61242824216).

The spelling of 11130421105 in words is "eleven billion, one hundred thirty million, four hundred twenty-one thousand, one hundred five".