27015005507 has 16 divisors (see below), whose sum is σ = 33357585600. Its totient is φ = 21793613184.

The previous prime is 27015005461. The next prime is 27015005513. The reversal of 27015005507 is 70550051072.

It is not a de Polignac number, because 27015005507 - 2¹² = 27015001411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27015005587) 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, 2310668 + ... + 2322329.

It is an arithmetic number, because the mean of its divisors is an integer number (2084849100).

Almost surely, 2^27015005507 is an apocalyptic number.

27015005507 is a deficient number, since it is larger than the sum of its proper divisors (6342580093).

27015005507 is an equidigital number, since it uses as much as digits as its factorization.

27015005507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4633035 (or 4633021 counting only the distinct ones).

The product of its (nonzero) digits is 12250, while the sum is 32.

Adding to 27015005507 its reverse (70550051072), we get a palindrome (97565056579).

The spelling of 27015005507 in words is "twenty-seven billion, fifteen million, five thousand, five hundred seven".