30081885155712 has 384 divisors, whose sum is σ = 98183757312000. Its totient is φ = 9059020978176.

The previous prime is 30081885155669. The next prime is 30081885155719. The reversal of 30081885155712 is 21755158818003.

30081885155712 is a `hidden beast` number, since 3 + 0 + 0 + 8 + 1 + 8 + 85 + 1 + 557 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30081885155719) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26903089 + ... + 27998927.

It is an arithmetic number, because the mean of its divisors is an integer number (255686868000).

Almost surely, 2^{30081885155712} is an apocalyptic number.

30081885155712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30081885155712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49091878656000).

30081885155712 is an abundant number, since it is smaller than the sum of its proper divisors (68101872156288).

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

30081885155712 is a wasteful number, since it uses less digits than its factorization.

30081885155712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095935 (or 1095904 counting only the distinct ones).

The product of its (nonzero) digits is 2688000, while the sum is 54.

The spelling of 30081885155712 in words is "thirty trillion, eighty-one billion, eight hundred eighty-five million, one hundred fifty-five thousand, seven hundred twelve".