30555243433545 has 16 divisors (see below), whose sum is σ = 48906583971840. Its totient is φ = 16290065005184.

The previous prime is 30555243433543. The next prime is 30555243433553. The reversal of 30555243433545 is 54533434255503.

It is a cyclic number.

It is not a de Polignac number, because 30555243433545 - 2¹ = 30555243433543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30555243433541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 379009980 + ... + 379090589.

It is an arithmetic number, because the mean of its divisors is an integer number (3056661498240).

Almost surely, 2^{30555243433545} is an apocalyptic number.

It is an amenable number.

30555243433545 is a deficient number, since it is larger than the sum of its proper divisors (18351340538295).

30555243433545 is a wasteful number, since it uses less digits than its factorization.

30555243433545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758103264.

The product of its (nonzero) digits is 32400000, while the sum is 51.

The spelling of 30555243433545 in words is "thirty trillion, five hundred fifty-five billion, two hundred forty-three million, four hundred thirty-three thousand, five hundred forty-five".