30540125221445 has 16 divisors (see below), whose sum is σ = 44088000320640. Its totient is φ = 19839600143424.

The previous prime is 30540125221427. The next prime is 30540125221447. The reversal of 30540125221445 is 54412252104503.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30540125221445 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30540125221399 and 30540125221408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30540125221447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22962499502 + ... + 22962500831.

It is an arithmetic number, because the mean of its divisors is an integer number (2755500020040).

Almost surely, 2^{30540125221445} is an apocalyptic number.

30540125221445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30540125221445 is a deficient number, since it is larger than the sum of its proper divisors (13547875099195).

30540125221445 is a wasteful number, since it uses less digits than its factorization.

30540125221445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45925000364.

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 30540125221445 its reverse (54412252104503), we get a palindrome (84952377325948).

The spelling of 30540125221445 in words is "thirty trillion, five hundred forty billion, one hundred twenty-five million, two hundred twenty-one thousand, four hundred forty-five".