11214999135 has 24 divisors (see below), whose sum is σ = 19447974000. Its totient is φ = 5978673792.

The previous prime is 11214999091. The next prime is 11214999137. The reversal of 11214999135 is 53199941211.

It is a happy number.

11214999135 is a `hidden beast` number, since 1 + 1 + 21 + 499 + 9 + 135 = 666.

It is not a de Polignac number, because 11214999135 - 2⁷ = 11214999007 is a prime.

It is a super-3 number, since 3×11214999135³ (a number of 31 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11214999137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49116 + ... + 157614.

It is an arithmetic number, because the mean of its divisors is an integer number (810332250).

Almost surely, 2^11214999135 is an apocalyptic number.

11214999135 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

11214999135 is a deficient number, since it is larger than the sum of its proper divisors (8232974865).

11214999135 is a wasteful number, since it uses less digits than its factorization.

11214999135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110807 (or 110804 counting only the distinct ones).

The product of its digits is 87480, while the sum is 45.

The spelling of 11214999135 in words is "eleven billion, two hundred fourteen million, nine hundred ninety-nine thousand, one hundred thirty-five".