30305305000555 has 32 divisors (see below), whose sum is σ = 39332703009600. Its totient is φ = 22282887255552.

The previous prime is 30305305000547. The next prime is 30305305000577. The reversal of 30305305000555 is 55500050350303.

It is a cyclic number.

It is not a de Polignac number, because 30305305000555 - 2³ = 30305305000547 is a prime.

It is a super-2 number, since 2×30305305000555² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30305305000555.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25140216 + ... + 26318074.

It is an arithmetic number, because the mean of its divisors is an integer number (1229146969050).

Almost surely, 2^{30305305000555} is an apocalyptic number.

30305305000555 is a deficient number, since it is larger than the sum of its proper divisors (9027398009045).

30305305000555 is a wasteful number, since it uses less digits than its factorization.

30305305000555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1179583.

The product of its (nonzero) digits is 84375, while the sum is 34.

Adding to 30305305000555 its reverse (55500050350303), we get a palindrome (85805355350858).

The spelling of 30305305000555 in words is "thirty trillion, three hundred five billion, three hundred five million, five hundred fifty-five", and thus it is an aban number.