200105312425 has 24 divisors (see below), whose sum is σ = 260049695040. Its totient is φ = 152455300800.

The previous prime is 200105312401. The next prime is 200105312441. The reversal of 200105312425 is 524213501002.

It is a de Polignac number, because none of the positive numbers 2^k-200105312425 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 200105312425.

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, 628171 + ... + 891520.

It is an arithmetic number, because the mean of its divisors is an integer number (10835403960).

Almost surely, 2^200105312425 is an apocalyptic number.

200105312425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

200105312425 is a deficient number, since it is larger than the sum of its proper divisors (59944382615).

200105312425 is a wasteful number, since it uses less digits than its factorization.

200105312425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1519953 (or 1519948 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 200105312425 its reverse (524213501002), we get a palindrome (724318813427).

The spelling of 200105312425 in words is "two hundred billion, one hundred five million, three hundred twelve thousand, four hundred twenty-five".