30121255325 has 48 divisors (see below), whose sum is σ = 43378592640. Its totient is φ = 20320312320.

The previous prime is 30121255301. The next prime is 30121255387. The reversal of 30121255325 is 52355212103.

It is not a de Polignac number, because 30121255325 - 2⁶ = 30121255261 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15112529 + ... + 15114521.

It is an arithmetic number, because the mean of its divisors is an integer number (903720680).

Almost surely, 2^30121255325 is an apocalyptic number.

30121255325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30121255325 is a deficient number, since it is larger than the sum of its proper divisors (13257337315).

30121255325 is a wasteful number, since it uses less digits than its factorization.

30121255325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3366 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 30121255325 its reverse (52355212103), we get a palindrome (82476467428).

The spelling of 30121255325 in words is "thirty billion, one hundred twenty-one million, two hundred fifty-five thousand, three hundred twenty-five".