30255575255500 has 72 divisors (see below), whose sum is σ = 76866450111360. Its totient is φ = 10373340079200.

The previous prime is 30255575255467. The next prime is 30255575255501. The reversal of 30255575255500 is 555257555203.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (30255575255501) 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, 617436220 + ... + 617485219.

It is an arithmetic number, because the mean of its divisors is an integer number (1067589584880).

Almost surely, 2^{30255575255500} is an apocalyptic number.

It is an amenable number.

30255575255500 is an abundant number, since it is smaller than the sum of its proper divisors (46610874855860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30255575255500 is a wasteful number, since it uses less digits than its factorization.

30255575255500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234921472 (or 1234921453 counting only the distinct ones).

The product of its (nonzero) digits is 6562500, while the sum is 49.

The spelling of 30255575255500 in words is "thirty trillion, two hundred fifty-five billion, five hundred seventy-five million, two hundred fifty-five thousand, five hundred".