21360425600113 has 4 divisors (see below), whose sum is σ = 21402891655488. Its totient is φ = 21317959544740.

The previous prime is 21360425600081. The next prime is 21360425600191. The reversal of 21360425600113 is 31100652406312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21360425600113 - 2⁵ = 21360425600081 is a prime.

It is a super-2 number, since 2×21360425600113² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21360425670113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21233026933 + ... + 21233027938.

It is an arithmetic number, because the mean of its divisors is an integer number (5350722913872).

Almost surely, 2^{21360425600113} is an apocalyptic number.

It is an amenable number.

21360425600113 is a deficient number, since it is larger than the sum of its proper divisors (42466055375).

21360425600113 is an equidigital number, since it uses as much as digits as its factorization.

21360425600113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42466055374.

The product of its (nonzero) digits is 25920, while the sum is 34.

The spelling of 21360425600113 in words is "twenty-one trillion, three hundred sixty billion, four hundred twenty-five million, six hundred thousand, one hundred thirteen".