30255123541525 has 12 divisors (see below), whose sum is σ = 37516760335044. Its totient is φ = 24203836160000.

The previous prime is 30255123541507. The next prime is 30255123541547. The reversal of 30255123541525 is 52514532155203.

It can be written as a sum of positive squares in 6 ways, for example, as 267047098756 + 29988076442769 = 516766^2 + 5476137^2 .

It is not a de Polignac number, because 30255123541525 - 2⁵ = 30255123541493 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 11 ways as a sum of consecutive naturals, for example, 4200406 + ... + 8840455.

It is an arithmetic number, because the mean of its divisors is an integer number (3126396694587).

Almost surely, 2^{30255123541525} is an apocalyptic number.

It is an amenable number.

30255123541525 is a deficient number, since it is larger than the sum of its proper divisors (7261636793519).

30255123541525 is a wasteful number, since it uses less digits than its factorization.

30255123541525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13133672 (or 13133667 counting only the distinct ones).

The product of its (nonzero) digits is 900000, while the sum is 43.

Adding to 30255123541525 its reverse (52514532155203), we get a palindrome (82769655696728).

The spelling of 30255123541525 in words is "thirty trillion, two hundred fifty-five billion, one hundred twenty-three million, five hundred forty-one thousand, five hundred twenty-five".