30325125541540 has 12 divisors (see below), whose sum is σ = 63682763637276. Its totient is φ = 12130050216608.

The previous prime is 30325125541511. The next prime is 30325125541547. The reversal of 30325125541540 is 4514552152303.

It can be written as a sum of positive squares in 2 ways, for example, as 22036565153344 + 8288560388196 = 4694312^2 + 2878986^2 .

It is a super-2 number, since 2×30325125541540² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30325125541493 and 30325125541502.

It is not an unprimeable number, because it can be changed into a prime (30325125541547) 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, 758128138519 + ... + 758128138558.

It is an arithmetic number, because the mean of its divisors is an integer number (5306896969773).

Almost surely, 2^{30325125541540} is an apocalyptic number.

It is an amenable number.

30325125541540 is an abundant number, since it is smaller than the sum of its proper divisors (33357638095736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30325125541540 is a wasteful number, since it uses less digits than its factorization.

30325125541540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1516256277086 (or 1516256277084 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

Adding to 30325125541540 its reverse (4514552152303), we get a palindrome (34839677693843).

The spelling of 30325125541540 in words is "thirty trillion, three hundred twenty-five billion, one hundred twenty-five million, five hundred forty-one thousand, five hundred forty".