30195780897125 has 8 divisors (see below), whose sum is σ = 37684334559768. Its totient is φ = 24156624717600.

The previous prime is 30195780897109. The next prime is 30195780897157. The reversal of 30195780897125 is 52179808759103.

It can be written as a sum of positive squares in 4 ways, for example, as 2023400986369 + 28172379910756 = 1422463^2 + 5307766^2 .

It is not a de Polignac number, because 30195780897125 - 2⁴ = 30195780897109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120783123464 + ... + 120783123713.

It is an arithmetic number, because the mean of its divisors is an integer number (4710541819971).

Almost surely, 2^{30195780897125} is an apocalyptic number.

It is an amenable number.

30195780897125 is a deficient number, since it is larger than the sum of its proper divisors (7488553662643).

30195780897125 is an equidigital number, since it uses as much as digits as its factorization.

30195780897125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241566247192 (or 241566247182 counting only the distinct ones).

The product of its (nonzero) digits is 38102400, while the sum is 65.

The spelling of 30195780897125 in words is "thirty trillion, one hundred ninety-five billion, seven hundred eighty million, eight hundred ninety-seven thousand, one hundred twenty-five".