30481087153728 has 56 divisors (see below), whose sum is σ = 80648444402560. Its totient is φ = 10160290828800.

The previous prime is 30481087153697. The next prime is 30481087153733. The reversal of 30481087153728 is 82735178018403.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31570953 + ... + 32522103.

Almost surely, 2^{30481087153728} is an apocalyptic number.

It is an amenable number.

30481087153728 is an abundant number, since it is smaller than the sum of its proper divisors (50167357248832).

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

30481087153728 is a wasteful number, since it uses less digits than its factorization.

30481087153728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118075 (or 1118065 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 57.

The spelling of 30481087153728 in words is "thirty trillion, four hundred eighty-one billion, eighty-seven million, one hundred fifty-three thousand, seven hundred twenty-eight".