15505652206 has 16 divisors (see below), whose sum is σ = 25582583088. Its totient is φ = 7048022520.

The previous prime is 15505652203. The next prime is 15505652207. The reversal of 15505652206 is 60225650551.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15505652203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2909745 + ... + 2915068.

It is an arithmetic number, because the mean of its divisors is an integer number (1598911443).

Almost surely, 2^15505652206 is an apocalyptic number.

15505652206 is a deficient number, since it is larger than the sum of its proper divisors (10076930882).

15505652206 is an equidigital number, since it uses as much as digits as its factorization.

15505652206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5824848 (or 5824826 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

The spelling of 15505652206 in words is "fifteen billion, five hundred five million, six hundred fifty-two thousand, two hundred six".