30615242145056 has 48 divisors (see below), whose sum is σ = 64100415578976. Its totient is φ = 14343704994816.

The previous prime is 30615242145053. The next prime is 30615242145097. The reversal of 30615242145056 is 65054124251603.

It is a junction number, because it is equal to n+sod(n) for n = 30615242144998 and 30615242145016.

It is not an unprimeable number, because it can be changed into a prime (30615242145053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123836906 + ... + 124083881.

It is an arithmetic number, because the mean of its divisors is an integer number (1335425324562).

Almost surely, 2^{30615242145056} is an apocalyptic number.

It is an amenable number.

30615242145056 is an abundant number, since it is smaller than the sum of its proper divisors (33485173433920).

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

30615242145056 is a wasteful number, since it uses less digits than its factorization.

30615242145056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247921041 (or 247921033 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

Adding to 30615242145056 its reverse (65054124251603), we get a palindrome (95669366396659).

The spelling of 30615242145056 in words is "thirty trillion, six hundred fifteen billion, two hundred forty-two million, one hundred forty-five thousand, fifty-six".