15317427011 has 4 divisors (see below), whose sum is σ = 16123607400. Its totient is φ = 14511246624.

The previous prime is 15317426983. The next prime is 15317427053. The reversal of 15317427011 is 11072471351.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15317427011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15317427061) 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, 403090166 + ... + 403090203.

It is an arithmetic number, because the mean of its divisors is an integer number (4030901850).

Almost surely, 2^15317427011 is an apocalyptic number.

15317427011 is a deficient number, since it is larger than the sum of its proper divisors (806180389).

15317427011 is an equidigital number, since it uses as much as digits as its factorization.

15317427011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806180388.

The product of its (nonzero) digits is 5880, while the sum is 32.

Adding to 15317427011 its reverse (11072471351), we get a palindrome (26389898362).

The spelling of 15317427011 in words is "fifteen billion, three hundred seventeen million, four hundred twenty-seven thousand, eleven".