30551235153225 has 24 divisors (see below), whose sum is σ = 50584474490592. Its totient is φ = 16270411747200.

The previous prime is 30551235153221. The next prime is 30551235153247. The reversal of 30551235153225 is 52235153215503.

It is not a de Polignac number, because 30551235153225 - 2² = 30551235153221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30551235153221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 294702012 + ... + 294805661.

It is an arithmetic number, because the mean of its divisors is an integer number (2107686437108).

Almost surely, 2^{30551235153225} is an apocalyptic number.

It is an amenable number.

30551235153225 is a deficient number, since it is larger than the sum of its proper divisors (20033239337367).

30551235153225 is a wasteful number, since it uses less digits than its factorization.

30551235153225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 589508377 (or 589508372 counting only the distinct ones).

The product of its (nonzero) digits is 675000, while the sum is 42.

Adding to 30551235153225 its reverse (52235153215503), we get a palindrome (82786388368728).

The spelling of 30551235153225 in words is "thirty trillion, five hundred fifty-one billion, two hundred thirty-five million, one hundred fifty-three thousand, two hundred twenty-five".