21441153041 has 64 divisors (see below), whose sum is σ = 28745072640. Its totient is φ = 15490440000.

The previous prime is 21441153031. The next prime is 21441153047. The reversal of 21441153041 is 14035114412.

It is not a de Polignac number, because 21441153041 - 2¹⁰ = 21441152017 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 21441153041.

It is not an unprimeable number, because it can be changed into a prime (21441153047) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15684140 + ... + 15685506.

It is an arithmetic number, because the mean of its divisors is an integer number (449141760).

Almost surely, 2^21441153041 is an apocalyptic number.

It is an amenable number.

21441153041 is a deficient number, since it is larger than the sum of its proper divisors (7303919599).

21441153041 is a wasteful number, since it uses less digits than its factorization.

21441153041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1626.

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

Adding to 21441153041 its reverse (14035114412), we get a palindrome (35476267453).

The spelling of 21441153041 in words is "twenty-one billion, four hundred forty-one million, one hundred fifty-three thousand, forty-one".