30520225425155 has 8 divisors (see below), whose sum is σ = 36655761721392. Its totient is φ = 24395186199328.

The previous prime is 30520225425143. The next prime is 30520225425161. The reversal of 30520225425155 is 55152452202503.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30520225425155 - 2⁴ = 30520225425139 is a prime.

It is a Duffinian 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, 2624261204 + ... + 2624272833.

It is an arithmetic number, because the mean of its divisors is an integer number (4581970215174).

Almost surely, 2^{30520225425155} is an apocalyptic number.

30520225425155 is a deficient number, since it is larger than the sum of its proper divisors (6135536296237).

30520225425155 is a wasteful number, since it uses less digits than its factorization.

30520225425155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5248535205.

The product of its (nonzero) digits is 600000, while the sum is 41.

Adding to 30520225425155 its reverse (55152452202503), we get a palindrome (85672677627658).

The spelling of 30520225425155 in words is "thirty trillion, five hundred twenty billion, two hundred twenty-five million, four hundred twenty-five thousand, one hundred fifty-five".