21383572324125 has 64 divisors (see below), whose sum is σ = 38818556524800. Its totient is φ = 10367381088000.

The previous prime is 21383572323991. The next prime is 21383572324141. The reversal of 21383572324125 is 52142327538312.

It is not a de Polignac number, because 21383572324125 - 2³⁷ = 21246133370653 is a prime.

It is a super-3 number, since 3×21383572324125³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 121141431 + ... + 121317819.

It is an arithmetic number, because the mean of its divisors is an integer number (606539945700).

Almost surely, 2^{21383572324125} is an apocalyptic number.

21383572324125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21383572324125 is a deficient number, since it is larger than the sum of its proper divisors (17434984200675).

21383572324125 is a wasteful number, since it uses less digits than its factorization.

21383572324125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205807 (or 205797 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 48.

The spelling of 21383572324125 in words is "twenty-one trillion, three hundred eighty-three billion, five hundred seventy-two million, three hundred twenty-four thousand, one hundred twenty-five".