21152360325351 has 8 divisors (see below), whose sum is σ = 28221307536240. Its totient is φ = 14092493332352.

The previous prime is 21152360325293. The next prime is 21152360325367. The reversal of 21152360325351 is 15352306325112.

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

It is a cyclic number.

It is not a de Polignac number, because 21152360325351 - 2¹⁸ = 21152360063207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21152360329351) 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, 2270049036 + ... + 2270058353.

It is an arithmetic number, because the mean of its divisors is an integer number (3527663442030).

Almost surely, 2^{21152360325351} is an apocalyptic number.

21152360325351 is a deficient number, since it is larger than the sum of its proper divisors (7068947210889).

21152360325351 is a wasteful number, since it uses less digits than its factorization.

21152360325351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540108945.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 21152360325351 in words is "twenty-one trillion, one hundred fifty-two billion, three hundred sixty million, three hundred twenty-five thousand, three hundred fifty-one".