11827809055 has 16 divisors (see below), whose sum is σ = 14580647424. Its totient is φ = 9204192000.

The previous prime is 11827809047. The next prime is 11827809113. The reversal of 11827809055 is 55090872811.

It is not a de Polignac number, because 11827809055 - 2³ = 11827809047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11827808996 and 11827809014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309555 + ... + 1318555.

It is an arithmetic number, because the mean of its divisors is an integer number (911290464).

Almost surely, 2^11827809055 is an apocalyptic number.

11827809055 is a deficient number, since it is larger than the sum of its proper divisors (2752838369).

11827809055 is an equidigital number, since it uses as much as digits as its factorization.

11827809055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16146.

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 11827809055 in words is "eleven billion, eight hundred twenty-seven million, eight hundred nine thousand, fifty-five".