30453782156081 has 32 divisors (see below), whose sum is σ = 33270099867648. Its totient is φ = 27790843576320.

The previous prime is 30453782156027. The next prime is 30453782156087. The reversal of 30453782156081 is 18065128735403.

It is a cyclic number.

It is not a de Polignac number, because 30453782156081 - 2³⁰ = 30452708414257 is a prime.

It is a super-2 number, since 2×30453782156081² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30453782156087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16917701 + ... + 18631053.

It is an arithmetic number, because the mean of its divisors is an integer number (1039690620864).

Almost surely, 2^{30453782156081} is an apocalyptic number.

30453782156081 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30453782156081 is a deficient number, since it is larger than the sum of its proper divisors (2816317711567).

30453782156081 is a wasteful number, since it uses less digits than its factorization.

30453782156081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1713761.

The product of its (nonzero) digits is 4838400, while the sum is 53.

The spelling of 30453782156081 in words is "thirty trillion, four hundred fifty-three billion, seven hundred eighty-two million, one hundred fifty-six thousand, eighty-one".