27561308528 has 40 divisors (see below), whose sum is σ = 57519631008. Its totient is φ = 12717971712.

The previous prime is 27561308519. The next prime is 27561308573. The reversal of 27561308528 is 82580316572.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1292126 + ... + 1313282.

Almost surely, 2^27561308528 is an apocalyptic number.

It is an amenable number.

27561308528 is an abundant number, since it is smaller than the sum of its proper divisors (29958322480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

27561308528 is a wasteful number, since it uses less digits than its factorization.

27561308528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27441 (or 27435 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 27561308528 in words is "twenty-seven billion, five hundred sixty-one million, three hundred eight thousand, five hundred twenty-eight".