30605136500 has 48 divisors (see below), whose sum is σ = 66861762240. Its totient is φ = 12238365600.

The previous prime is 30605136469. The next prime is 30605136517. The reversal of 30605136500 is 563150603.

It is a congruent number.

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, 2162447 + ... + 2176553.

It is an arithmetic number, because the mean of its divisors is an integer number (1392953380).

Almost surely, 2^30605136500 is an apocalyptic number.

It is an amenable number.

30605136500 is an abundant number, since it is smaller than the sum of its proper divisors (36256625740).

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

30605136500 is a wasteful number, since it uses less digits than its factorization.

30605136500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18465 (or 18453 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 29.

The spelling of 30605136500 in words is "thirty billion, six hundred five million, one hundred thirty-six thousand, five hundred".