21411044153 has 16 divisors (see below), whose sum is σ = 22200239616. Its totient is φ = 20633849280.

The previous prime is 21411044147. The next prime is 21411044183. The reversal of 21411044153 is 35144011412.

It is a cyclic number.

It is not a de Polignac number, because 21411044153 - 2²⁰ = 21409995577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21411044113) 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 15 ways as a sum of consecutive naturals, for example, 1728500 + ... + 1740842.

It is an arithmetic number, because the mean of its divisors is an integer number (1387514976).

Almost surely, 2^21411044153 is an apocalyptic number.

It is an amenable number.

21411044153 is a deficient number, since it is larger than the sum of its proper divisors (789195463).

21411044153 is a wasteful number, since it uses less digits than its factorization.

21411044153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12824.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 21411044153 its reverse (35144011412), we get a palindrome (56555055565).

The spelling of 21411044153 in words is "twenty-one billion, four hundred eleven million, forty-four thousand, one hundred fifty-three".