21113130153 has 8 divisors (see below), whose sum is σ = 28536468448. Its totient is φ = 13882605984.

The previous prime is 21113130149. The next prime is 21113130169. The reversal of 21113130153 is 35103131112.

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

It is not a de Polignac number, because 21113130153 - 2² = 21113130149 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21113130173) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48203275 + ... + 48203712.

It is an arithmetic number, because the mean of its divisors is an integer number (3567058556).

Almost surely, 2^21113130153 is an apocalyptic number.

It is an amenable number.

21113130153 is a deficient number, since it is larger than the sum of its proper divisors (7423338295).

21113130153 is an equidigital number, since it uses as much as digits as its factorization.

21113130153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96407063.

The product of its (nonzero) digits is 270, while the sum is 21.

Adding to 21113130153 its reverse (35103131112), we get a palindrome (56216261265).

The spelling of 21113130153 in words is "twenty-one billion, one hundred thirteen million, one hundred thirty thousand, one hundred fifty-three".