30555540605505 has 32 divisors (see below), whose sum is σ = 49668559734528. Its totient is φ = 16038322400000.

The previous prime is 30555540605497. The next prime is 30555540605519. The reversal of 30555540605505 is 50550604555503.

It is a happy number.

It is not a de Polignac number, because 30555540605505 - 2³ = 30555540605497 is a prime.

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, 60132246 + ... + 60638255.

It is an arithmetic number, because the mean of its divisors is an integer number (1552142491704).

Almost surely, 2^{30555540605505} is an apocalyptic number.

It is an amenable number.

30555540605505 is a deficient number, since it is larger than the sum of its proper divisors (19113019129023).

30555540605505 is a wasteful number, since it uses less digits than its factorization.

30555540605505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120770777.

The product of its (nonzero) digits is 5625000, while the sum is 48.

The spelling of 30555540605505 in words is "thirty trillion, five hundred fifty-five billion, five hundred forty million, six hundred five thousand, five hundred five".