201030444125 has 48 divisors (see below), whose sum is σ = 291948866352. Its totient is φ = 137801328000.

The previous prime is 201030444067. The next prime is 201030444211. The reversal of 201030444125 is 521444030102.

It can be written as a sum of positive squares in 8 ways, for example, as 57436436281 + 143594007844 = 239659^2 + 378938^2 .

It is not a de Polignac number, because 201030444125 - 2⁶ = 201030444061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 201030444094 and 201030444103.

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, 35013755 + ... + 35019495.

It is an arithmetic number, because the mean of its divisors is an integer number (6082268049).

Almost surely, 2^201030444125 is an apocalyptic number.

201030444125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

201030444125 is a deficient number, since it is larger than the sum of its proper divisors (90918422227).

201030444125 is an equidigital number, since it uses as much as digits as its factorization.

201030444125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11487 (or 11470 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 201030444125 its reverse (521444030102), we get a palindrome (722474474227).

The spelling of 201030444125 in words is "two hundred one billion, thirty million, four hundred forty-four thousand, one hundred twenty-five".