27315108015 has 16 divisors (see below), whose sum is σ = 47066032608. Its totient is φ = 13447437696.

The previous prime is 27315108013. The next prime is 27315108059. The reversal of 27315108015 is 51080151372.

It is not a de Polignac number, because 27315108015 - 2¹ = 27315108013 is a prime.

It is a super-2 number, since 2×27315108015² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27315108013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70038544 + ... + 70038933.

It is an arithmetic number, because the mean of its divisors is an integer number (2941627038).

Almost surely, 2^27315108015 is an apocalyptic number.

27315108015 is a deficient number, since it is larger than the sum of its proper divisors (19750924593).

27315108015 is a wasteful number, since it uses less digits than its factorization.

27315108015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140077498.

The product of its (nonzero) digits is 8400, while the sum is 33.

Adding to 27315108015 its reverse (51080151372), we get a palindrome (78395259387).

The spelling of 27315108015 in words is "twenty-seven billion, three hundred fifteen million, one hundred eight thousand, fifteen".