11421203115 has 16 divisors (see below), whose sum is σ = 20884485888. Its totient is φ = 5221121376.

The previous prime is 11421203093. The next prime is 11421203137. The reversal of 11421203115 is 51130212411.

11421203115 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11421203093) and next prime (11421203137).

It is not a de Polignac number, because 11421203115 - 2⁷ = 11421202987 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11421203091 and 11421203100.

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, 54386577 + ... + 54386786.

It is an arithmetic number, because the mean of its divisors is an integer number (1305280368).

Almost surely, 2^11421203115 is an apocalyptic number.

11421203115 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11421203115 is a deficient number, since it is larger than the sum of its proper divisors (9463282773).

11421203115 is a wasteful number, since it uses less digits than its factorization.

11421203115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108773378.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 11421203115 its reverse (51130212411), we get a palindrome (62551415526).

The spelling of 11421203115 in words is "eleven billion, four hundred twenty-one million, two hundred three thousand, one hundred fifteen".