11508048909 has 48 divisors (see below), whose sum is σ = 19527331200. Its totient is φ = 6527787840.

The previous prime is 11508048899. The next prime is 11508048949. The reversal of 11508048909 is 90984080511.

11508048909 is a `hidden beast` number, since 11 + 508 + 0 + 48 + 90 + 9 = 666.

It is not a de Polignac number, because 11508048909 - 2¹³ = 11508040717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11508048949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 409314 + ... + 436524.

It is an arithmetic number, because the mean of its divisors is an integer number (406819400).

Almost surely, 2^11508048909 is an apocalyptic number.

It is an amenable number.

11508048909 is a deficient number, since it is larger than the sum of its proper divisors (8019282291).

11508048909 is a wasteful number, since it uses less digits than its factorization.

11508048909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27375 (or 27358 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The spelling of 11508048909 in words is "eleven billion, five hundred eight million, forty-eight thousand, nine hundred nine".