30503297878720 has 112 divisors (see below), whose sum is σ = 74012624501760. Its totient is φ = 11970109771776.

The previous prime is 30503297878717. The next prime is 30503297878789. The reversal of 30503297878720 is 2787879230503.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223515466 + ... + 223651894.

It is an arithmetic number, because the mean of its divisors is an integer number (660827004480).

Almost surely, 2^{30503297878720} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30503297878720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37006312250880).

30503297878720 is an abundant number, since it is smaller than the sum of its proper divisors (43509326623040).

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

30503297878720 is a wasteful number, since it uses less digits than its factorization.

30503297878720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149682 (or 149672 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 61.

The spelling of 30503297878720 in words is "thirty trillion, five hundred three billion, two hundred ninety-seven million, eight hundred seventy-eight thousand, seven hundred twenty".