15280668038 has 4 divisors (see below), whose sum is σ = 22921002060. Its totient is φ = 7640334018.

The previous prime is 15280668017. The next prime is 15280668049. The reversal of 15280668038 is 83086608251.

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

It is a junction number, because it is equal to n+sod(n) for n = 15280667983 and 15280668001.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3820167008 + ... + 3820167011.

It is an arithmetic number, because the mean of its divisors is an integer number (5730250515).

Almost surely, 2^15280668038 is an apocalyptic number.

15280668038 is a deficient number, since it is larger than the sum of its proper divisors (7640334022).

15280668038 is an equidigital number, since it uses as much as digits as its factorization.

15280668038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7640334021.

The product of its (nonzero) digits is 552960, while the sum is 47.

The spelling of 15280668038 in words is "fifteen billion, two hundred eighty million, six hundred sixty-eight thousand, thirty-eight".