15206216061 has 8 divisors (see below), whose sum is σ = 20657501280. Its totient is φ = 9946204112.

The previous prime is 15206216027. The next prime is 15206216089. The reversal of 15206216061 is 16061260251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 15206216061 - 2²⁹ = 14669345149 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15206116061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47818131 + ... + 47818448.

It is an arithmetic number, because the mean of its divisors is an integer number (2582187660).

Almost surely, 2^15206216061 is an apocalyptic number.

It is an amenable number.

15206216061 is a deficient number, since it is larger than the sum of its proper divisors (5451285219).

15206216061 is an equidigital number, since it uses as much as digits as its factorization.

15206216061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95636635.

The product of its (nonzero) digits is 4320, while the sum is 30.

The spelling of 15206216061 in words is "fifteen billion, two hundred six million, two hundred sixteen thousand, sixty-one".