210125544550 has 48 divisors (see below), whose sum is σ = 413896633920. Its totient is φ = 79092149760.

The previous prime is 210125544539. The next prime is 210125544571. The reversal of 210125544550 is 55445521012.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5684227 + ... + 5721073.

It is an arithmetic number, because the mean of its divisors is an integer number (8622846540).

Almost surely, 2^210125544550 is an apocalyptic number.

210125544550 is a deficient number, since it is larger than the sum of its proper divisors (203771089370).

210125544550 is a wasteful number, since it uses less digits than its factorization.

210125544550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43585 (or 43580 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 210125544550 in words is "two hundred ten billion, one hundred twenty-five million, five hundred forty-four thousand, five hundred fifty".