15327806061 has 4 divisors (see below), whose sum is σ = 20437074752. Its totient is φ = 10218537372.

The previous prime is 15327806047. The next prime is 15327806069. The reversal of 15327806061 is 16060872351.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16060872351 = 3 ⋅5353624117.

It is not a de Polignac number, because 15327806061 - 2¹³ = 15327797869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15327806069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2554634341 + ... + 2554634346.

It is an arithmetic number, because the mean of its divisors is an integer number (5109268688).

Almost surely, 2^15327806061 is an apocalyptic number.

It is an amenable number.

15327806061 is a deficient number, since it is larger than the sum of its proper divisors (5109268691).

15327806061 is an equidigital number, since it uses as much as digits as its factorization.

15327806061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5109268690.

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 15327806061 in words is "fifteen billion, three hundred twenty-seven million, eight hundred six thousand, sixty-one".