27752525027525 has 24 divisors (see below), whose sum is σ = 36229865292000. Its totient is φ = 21030289329600.

The previous prime is 27752525027509. The next prime is 27752525027537. The reversal of 27752525027525 is 52572052525772.

It is not a de Polignac number, because 27752525027525 - 2⁴ = 27752525027509 is a prime.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1324550 + ... + 7566999.

It is an arithmetic number, because the mean of its divisors is an integer number (1509577720500).

Almost surely, 2^{27752525027525} is an apocalyptic number.

27752525027525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27752525027525 is a deficient number, since it is larger than the sum of its proper divisors (8477340264475).

27752525027525 is a wasteful number, since it uses less digits than its factorization.

27752525027525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8898149 (or 8898144 counting only the distinct ones).

The product of its (nonzero) digits is 34300000, while the sum is 56.

The spelling of 27752525027525 in words is "twenty-seven trillion, seven hundred fifty-two billion, five hundred twenty-five million, twenty-seven thousand, five hundred twenty-five".