27525005505007 has 4 divisors (see below), whose sum is σ = 27528228959560. Its totient is φ = 27521782050456.

The previous prime is 27525005504951. The next prime is 27525005505077. The reversal of 27525005505007 is 70050550052572.

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 27525005505007 - 2¹¹ = 27525005502959 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 (27525005505077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1611714468 + ... + 1611731545.

It is an arithmetic number, because the mean of its divisors is an integer number (6882057239890).

Almost surely, 2^{27525005505007} is an apocalyptic number.

27525005505007 is a deficient number, since it is larger than the sum of its proper divisors (3223454553).

27525005505007 is an equidigital number, since it uses as much as digits as its factorization.

27525005505007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3223454552.

The product of its (nonzero) digits is 612500, while the sum is 43.

Adding to 27525005505007 its reverse (70050550052572), we get a palindrome (97575555557579).

The spelling of 27525005505007 in words is "twenty-seven trillion, five hundred twenty-five billion, five million, five hundred five thousand, seven".