201605125304 has 16 divisors (see below), whose sum is σ = 412374120120. Its totient is φ = 91638693280.

The previous prime is 201605125283. The next prime is 201605125367. The reversal of 201605125304 is 403521506102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145483579 + ... + 1145483754.

Almost surely, 2^201605125304 is an apocalyptic number.

It is an amenable number.

201605125304 is an abundant number, since it is smaller than the sum of its proper divisors (210768994816).

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

201605125304 is a wasteful number, since it uses less digits than its factorization.

201605125304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290967350 (or 2290967346 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 201605125304 in words is "two hundred one billion, six hundred five million, one hundred twenty-five thousand, three hundred four".