30556221466545 has 48 divisors (see below), whose sum is σ = 53941849678080. Its totient is φ = 15996631569408.

The previous prime is 30556221466541. The next prime is 30556221466571. The reversal of 30556221466545 is 54566412265503.

30556221466545 is a `hidden beast` number, since 3 + 0 + 5 + 5 + 6 + 22 + 14 + 66 + 545 = 666.

It is not a de Polignac number, because 30556221466545 - 2² = 30556221466541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30556221466491 and 30556221466500.

It is not an unprimeable number, because it can be changed into a prime (30556221466541) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6763657 + ... + 10337286.

It is an arithmetic number, because the mean of its divisors is an integer number (1123788534960).

Almost surely, 2^{30556221466545} is an apocalyptic number.

It is an amenable number.

30556221466545 is a deficient number, since it is larger than the sum of its proper divisors (23385628211535).

30556221466545 is a wasteful number, since it uses less digits than its factorization.

30556221466545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17101686 (or 17101683 counting only the distinct ones).

The product of its (nonzero) digits is 25920000, while the sum is 54.

The spelling of 30556221466545 in words is "thirty trillion, five hundred fifty-six billion, two hundred twenty-one million, four hundred sixty-six thousand, five hundred forty-five".