30105522445451 has 4 divisors (see below), whose sum is σ = 30468239583432. Its totient is φ = 29742805307472.

The previous prime is 30105522445421. The next prime is 30105522445457. The reversal of 30105522445451 is 15454422550103.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30105522445451 - 2³⁸ = 29830644538507 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30105522445399 and 30105522445408.

It is not an unprimeable number, because it can be changed into a prime (30105522445457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181358568866 + ... + 181358569031.

It is an arithmetic number, because the mean of its divisors is an integer number (7617059895858).

Almost surely, 2^{30105522445451} is an apocalyptic number.

30105522445451 is a deficient number, since it is larger than the sum of its proper divisors (362717137981).

30105522445451 is an equidigital number, since it uses as much as digits as its factorization.

30105522445451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362717137980.

The product of its (nonzero) digits is 480000, while the sum is 41.

Adding to 30105522445451 its reverse (15454422550103), we get a palindrome (45559944995554).

The spelling of 30105522445451 in words is "thirty trillion, one hundred five billion, five hundred twenty-two million, four hundred forty-five thousand, four hundred fifty-one".