27550807011 has 48 divisors (see below), whose sum is σ = 49047101376. Its totient is φ = 14512151808.

The previous prime is 27550807007. The next prime is 27550807021. The reversal of 27550807011 is 11070805572.

27550807011 is a `hidden beast` number, since 2 + 75 + 508 + 0 + 70 + 11 = 666.

It is not a de Polignac number, because 27550807011 - 2² = 27550807007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (27550807021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 577381 + ... + 623273.

It is an arithmetic number, because the mean of its divisors is an integer number (1021814612).

Almost surely, 2^27550807011 is an apocalyptic number.

27550807011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

27550807011 is a deficient number, since it is larger than the sum of its proper divisors (21496294365).

27550807011 is a wasteful number, since it uses less digits than its factorization.

27550807011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46652 (or 46649 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 36.

The spelling of 27550807011 in words is "twenty-seven billion, five hundred fifty million, eight hundred seven thousand, eleven".