27152013523 has 4 divisors (see below), whose sum is σ = 27159544720. Its totient is φ = 27144482328.

The previous prime is 27152013491. The next prime is 27152013527. The reversal of 27152013523 is 32531025172.

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

It is a cyclic number.

It is not a de Polignac number, because 27152013523 - 2⁵ = 27152013491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27152013527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3760188 + ... + 3767401.

It is an arithmetic number, because the mean of its divisors is an integer number (6789886180).

Almost surely, 2^27152013523 is an apocalyptic number.

27152013523 is a deficient number, since it is larger than the sum of its proper divisors (7531197).

27152013523 is an equidigital number, since it uses as much as digits as its factorization.

27152013523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7531196.

The product of its (nonzero) digits is 12600, while the sum is 31.

Adding to 27152013523 its reverse (32531025172), we get a palindrome (59683038695).

The spelling of 27152013523 in words is "twenty-seven billion, one hundred fifty-two million, thirteen thousand, five hundred twenty-three".