15605650005 has 16 divisors (see below), whose sum is σ = 27238953024. Its totient is φ = 7566375680.

The previous prime is 15605650003. The next prime is 15605650007. The reversal of 15605650005 is 50005650651.

It is an interprime number because it is at equal distance from previous prime (15605650003) and next prime (15605650007).

It is not a de Polignac number, because 15605650005 - 2¹ = 15605650003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15605650003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47289684 + ... + 47290013.

It is an arithmetic number, because the mean of its divisors is an integer number (1702434564).

Almost surely, 2^15605650005 is an apocalyptic number.

15605650005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15605650005 is a deficient number, since it is larger than the sum of its proper divisors (11633303019).

15605650005 is a wasteful number, since it uses less digits than its factorization.

15605650005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94579716.

The product of its (nonzero) digits is 22500, while the sum is 33.

It can be divided in two parts, 1560 and 5650005, that added together give a palindrome (5651565).

The spelling of 15605650005 in words is "fifteen billion, six hundred five million, six hundred fifty thousand, five".