21360124364133 has 4 divisors (see below), whose sum is σ = 28480165818848. Its totient is φ = 14240082909420.

The previous prime is 21360124364123. The next prime is 21360124364179. The reversal of 21360124364133 is 33146342106312.

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 not a de Polignac number, because 21360124364133 - 2⁹ = 21360124363621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21360124364091 and 21360124364100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21360124364123) 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 3 ways as a sum of consecutive naturals, for example, 3560020727353 + ... + 3560020727358.

It is an arithmetic number, because the mean of its divisors is an integer number (7120041454712).

Almost surely, 2^{21360124364133} is an apocalyptic number.

It is an amenable number.

21360124364133 is a deficient number, since it is larger than the sum of its proper divisors (7120041454715).

21360124364133 is an equidigital number, since it uses as much as digits as its factorization.

21360124364133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7120041454714.

The product of its (nonzero) digits is 186624, while the sum is 39.

The spelling of 21360124364133 in words is "twenty-one trillion, three hundred sixty billion, one hundred twenty-four million, three hundred sixty-four thousand, one hundred thirty-three".