15605600265606 has 48 divisors (see below), whose sum is σ = 33798475639296. Its totient is φ = 4801477101408.

The previous prime is 15605600265589. The next prime is 15605600265653. The reversal of 15605600265606 is 60656200650651.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19919011 + ... + 20687633.

It is an arithmetic number, because the mean of its divisors is an integer number (704134909152).

Almost surely, 2^{15605600265606} is an apocalyptic number.

15605600265606 is an abundant number, since it is smaller than the sum of its proper divisors (18192875373690).

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

15605600265606 is a wasteful number, since it uses less digits than its factorization.

15605600265606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788677 (or 788664 counting only the distinct ones).

The product of its (nonzero) digits is 1944000, while the sum is 48.

The spelling of 15605600265606 in words is "fifteen trillion, six hundred five billion, six hundred million, two hundred sixty-five thousand, six hundred six".