15015550006 has 4 divisors (see below), whose sum is σ = 22523325012. Its totient is φ = 7507775002.

The previous prime is 15015549959. The next prime is 15015550019. The reversal of 15015550006 is 60005551051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60005551051 = 137 ⋅437996723.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3753887500 + ... + 3753887503.

It is an arithmetic number, because the mean of its divisors is an integer number (5630831253).

Almost surely, 2^15015550006 is an apocalyptic number.

15015550006 is a deficient number, since it is larger than the sum of its proper divisors (7507775006).

15015550006 is an equidigital number, since it uses as much as digits as its factorization.

15015550006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7507775005.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 15015550006 in words is "fifteen billion, fifteen million, five hundred fifty thousand, six".