30545315125 has 16 divisors (see below), whose sum is σ = 41052905712. Its totient is φ = 22556539200.

The previous prime is 30545315113. The next prime is 30545315159. The reversal of 30545315125 is 52151354503.

It can be written as a sum of positive squares in 8 ways, for example, as 23514995716 + 7030319409 = 153346^2 + 83847^2 .

It is not a de Polignac number, because 30545315125 - 2⁵ = 30545315093 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9396934 + ... + 9400183.

It is an arithmetic number, because the mean of its divisors is an integer number (2565806607).

Almost surely, 2^30545315125 is an apocalyptic number.

It is an amenable number.

30545315125 is a deficient number, since it is larger than the sum of its proper divisors (10507590587).

30545315125 is a wasteful number, since it uses less digits than its factorization.

30545315125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18797145 (or 18797135 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 30545315125 its reverse (52151354503), we get a palindrome (82696669628).

The spelling of 30545315125 in words is "thirty billion, five hundred forty-five million, three hundred fifteen thousand, one hundred twenty-five".