210500215125 has 16 divisors (see below), whose sum is σ = 350272358592. Its totient is φ = 112266781200.

The previous prime is 210500215117. The next prime is 210500215181. The reversal of 210500215125 is 521512005012.

It is not a de Polignac number, because 210500215125 - 2³ = 210500215117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210500215095 and 210500215104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 280666579 + ... + 280667328.

It is an arithmetic number, because the mean of its divisors is an integer number (21892022412).

Almost surely, 2^210500215125 is an apocalyptic number.

210500215125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210500215125 is a deficient number, since it is larger than the sum of its proper divisors (139772143467).

210500215125 is an equidigital number, since it uses as much as digits as its factorization.

210500215125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561333925 (or 561333915 counting only the distinct ones).

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 210500215125 in words is "two hundred ten billion, five hundred million, two hundred fifteen thousand, one hundred twenty-five".