15368808841 has 9 divisors (see below), whose sum is σ = 15490130439. Its totient is φ = 15248433000.

The previous prime is 15368808827. The next prime is 15368808853. The reversal of 15368808841 is 14880886351.

The square root of 15368808841 is 123971.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4196318841 + 11172490000 = 64779^2 + 105700^2 .

It is not a de Polignac number, because 15368808841 - 2²⁵ = 15335254409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15368806841) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 18719211 + ... + 18720031.

Almost surely, 2^15368808841 is an apocalyptic number.

15368808841 is the 123971-st square number.

15368808841 is the 61986-th centered octagonal number.

It is an amenable number.

15368808841 is a deficient number, since it is larger than the sum of its proper divisors (121321598).

15368808841 is an frugal number, since it uses more digits than its factorization.

15368808841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 972 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 52.

The spelling of 15368808841 in words is "fifteen billion, three hundred sixty-eight million, eight hundred eight thousand, eight hundred forty-one".