30525033541556 has 12 divisors (see below), whose sum is σ = 55741365597792. Its totient is φ = 14598929085048.

The previous prime is 30525033541553. The next prime is 30525033541609. The reversal of 30525033541556 is 65514533052503.

It is a super-2 number, since 2×30525033541556² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30525033541556.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30525033541553) 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, 165896921330 + ... + 165896921513.

It is an arithmetic number, because the mean of its divisors is an integer number (4645113799816).

Almost surely, 2^{30525033541556} is an apocalyptic number.

It is an amenable number.

30525033541556 is a deficient number, since it is larger than the sum of its proper divisors (25216332056236).

30525033541556 is a wasteful number, since it uses less digits than its factorization.

30525033541556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331793842870 (or 331793842868 counting only the distinct ones).

The product of its (nonzero) digits is 4050000, while the sum is 47.

The spelling of 30525033541556 in words is "thirty trillion, five hundred twenty-five billion, thirty-three million, five hundred forty-one thousand, five hundred fifty-six".