27501551325 has 60 divisors (see below), whose sum is σ = 51025483168. Its totient is φ = 14643568800.

The previous prime is 27501551299. The next prime is 27501551347. The reversal of 27501551325 is 52315510572.

27501551325 is a `hidden beast` number, since 2 + 75 + 0 + 1 + 551 + 32 + 5 = 666.

It is not a de Polignac number, because 27501551325 - 2⁸ = 27501551069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27501551325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1267014 + ... + 1288536.

Almost surely, 2^27501551325 is an apocalyptic number.

27501551325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

27501551325 is a deficient number, since it is larger than the sum of its proper divisors (23523931843).

27501551325 is a wasteful number, since it uses less digits than its factorization.

27501551325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22176 (or 22162 counting only the distinct ones).

The product of its (nonzero) digits is 52500, while the sum is 36.

The spelling of 27501551325 in words is "twenty-seven billion, five hundred one million, five hundred fifty-one thousand, three hundred twenty-five".