27045005125 has 16 divisors (see below), whose sum is σ = 33756795072. Its totient is φ = 21633037200.

The previous prime is 27045005083. The next prime is 27045005129. The reversal of 27045005125 is 52150054072.

It is not a de Polignac number, because 27045005125 - 2³¹ = 24897521477 is a prime.

It is a super-2 number, since 2×27045005125² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27045005129) 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, 1604994 + ... + 1621756.

It is an arithmetic number, because the mean of its divisors is an integer number (2109799692).

Almost surely, 2^27045005125 is an apocalyptic number.

27045005125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27045005125 is a deficient number, since it is larger than the sum of its proper divisors (6711789947).

27045005125 is a wasteful number, since it uses less digits than its factorization.

27045005125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29685 (or 29675 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 31.

Adding to 27045005125 its reverse (52150054072), we get a palindrome (79195059197).

The spelling of 27045005125 in words is "twenty-seven billion, forty-five million, five thousand, one hundred twenty-five".