30061755125 has 8 divisors (see below), whose sum is σ = 37517070552. Its totient is φ = 24049404000.

The previous prime is 30061755109. The next prime is 30061755133. The reversal of 30061755125 is 52155716003.

It can be written as a sum of positive squares in 4 ways, for example, as 9562101796 + 20499653329 = 97786^2 + 143177^2 .

It is not a de Polignac number, because 30061755125 - 2⁴ = 30061755109 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, 120246896 + ... + 120247145.

It is an arithmetic number, because the mean of its divisors is an integer number (4689633819).

Almost surely, 2^30061755125 is an apocalyptic number.

It is an amenable number.

30061755125 is a deficient number, since it is larger than the sum of its proper divisors (7455315427).

30061755125 is an equidigital number, since it uses as much as digits as its factorization.

30061755125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240494056 (or 240494046 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 35.

The spelling of 30061755125 in words is "thirty billion, sixty-one million, seven hundred fifty-five thousand, one hundred twenty-five".