21152524341 has 8 divisors (see below), whose sum is σ = 30372855520. Its totient is φ = 13016938032.

The previous prime is 21152524303. The next prime is 21152524361. The reversal of 21152524341 is 14342525112.

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

It is not a de Polignac number, because 21152524341 - 2⁷ = 21152524213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21152524299 and 21152524308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21152524361) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271186171 + ... + 271186248.

It is an arithmetic number, because the mean of its divisors is an integer number (3796606940).

Almost surely, 2^21152524341 is an apocalyptic number.

It is an amenable number.

21152524341 is a deficient number, since it is larger than the sum of its proper divisors (9220331179).

21152524341 is a wasteful number, since it uses less digits than its factorization.

21152524341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 542372435.

The product of its digits is 9600, while the sum is 30.

The spelling of 21152524341 in words is "twenty-one billion, one hundred fifty-two million, five hundred twenty-four thousand, three hundred forty-one".