15720550006 has 8 divisors (see below), whose sum is σ = 26949514320. Its totient is φ = 6737378568.

The previous prime is 15720549991. The next prime is 15720550019. The reversal of 15720550006 is 60005502751.

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

It is a super-2 number, since 2×15720550006² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15720550006.

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, 561448201 + ... + 561448228.

It is an arithmetic number, because the mean of its divisors is an integer number (3368689290).

Almost surely, 2^15720550006 is an apocalyptic number.

15720550006 is a deficient number, since it is larger than the sum of its proper divisors (11228964314).

15720550006 is a wasteful number, since it uses less digits than its factorization.

15720550006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122896438.

The product of its (nonzero) digits is 10500, while the sum is 31.

The spelling of 15720550006 in words is "fifteen billion, seven hundred twenty million, five hundred fifty thousand, six".