15560055650506 has 4 divisors (see below), whose sum is σ = 23340083475762. Its totient is φ = 7780027825252.

The previous prime is 15560055650471. The next prime is 15560055650507. The reversal of 15560055650506 is 60505655006551.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 15527075274481 + 32980376025 = 3940441^2 + 181605^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 15560055650506.

It is not an unprimeable number, because it can be changed into a prime (15560055650507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3890013912625 + ... + 3890013912628.

Almost surely, 2^{15560055650506} is an apocalyptic number.

15560055650506 is a deficient number, since it is larger than the sum of its proper divisors (7780027825256).

15560055650506 is an equidigital number, since it uses as much as digits as its factorization.

15560055650506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7780027825255.

The product of its (nonzero) digits is 3375000, while the sum is 49.

The spelling of 15560055650506 in words is "fifteen trillion, five hundred sixty billion, fifty-five million, six hundred fifty thousand, five hundred six".