11132054505 has 96 divisors (see below), whose sum is σ = 23378440320. Its totient is φ = 4982065920.

The previous prime is 11132054501. The next prime is 11132054509. The reversal of 11132054505 is 50545023111.

11132054505 is a `hidden beast` number, since 1 + 1 + 1 + 3 + 205 + 450 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (11132054501) and next prime (11132054509).

It is not a de Polignac number, because 11132054505 - 2² = 11132054501 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11132054501) 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 95 ways as a sum of consecutive naturals, for example, 228787 + ... + 273143.

It is an arithmetic number, because the mean of its divisors is an integer number (243525420).

Almost surely, 2^11132054505 is an apocalyptic number.

11132054505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11132054505 is an abundant number, since it is smaller than the sum of its proper divisors (12246385815).

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

11132054505 is a wasteful number, since it uses less digits than its factorization.

11132054505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44408 (or 44389 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 27.

Adding to 11132054505 its reverse (50545023111), we get a palindrome (61677077616).

The spelling of 11132054505 in words is "eleven billion, one hundred thirty-two million, fifty-four thousand, five hundred five".