21716361375325 has 48 divisors (see below), whose sum is σ = 29343575016000. Its totient is φ = 15880023613440.

The previous prime is 21716361375307. The next prime is 21716361375337. The reversal of 21716361375325 is 52357316361712.

It is not a de Polignac number, because 21716361375325 - 2⁷ = 21716361375197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19104541 + ... + 20209309.

It is an arithmetic number, because the mean of its divisors is an integer number (611324479500).

Almost surely, 2^{21716361375325} is an apocalyptic number.

21716361375325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21716361375325 is a deficient number, since it is larger than the sum of its proper divisors (7627213640675).

21716361375325 is a wasteful number, since it uses less digits than its factorization.

21716361375325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106254 (or 1106249 counting only the distinct ones).

The product of its digits is 4762800, while the sum is 52.

The spelling of 21716361375325 in words is "twenty-one trillion, seven hundred sixteen billion, three hundred sixty-one million, three hundred seventy-five thousand, three hundred twenty-five".