11099981376 has 84 divisors (see below), whose sum is σ = 34708484304. Its totient is φ = 3363628800.

The previous prime is 11099981371. The next prime is 11099981381. The reversal of 11099981376 is 67318999011.

It is a happy number.

11099981376 is a `hidden beast` number, since 1 + 109 + 99 + 81 + 376 = 666.

It is an interprime number because it is at equal distance from previous prime (11099981371) and next prime (11099981381).

It is not an unprimeable number, because it can be changed into a prime (11099981371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 869610 + ... + 882281.

Almost surely, 2^11099981376 is an apocalyptic number.

11099981376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11099981376 is an abundant number, since it is smaller than the sum of its proper divisors (23608502928).

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

11099981376 is a wasteful number, since it uses less digits than its factorization.

11099981376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1751920 (or 1751907 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 54.

The spelling of 11099981376 in words is "eleven billion, ninety-nine million, nine hundred eighty-one thousand, three hundred seventy-six".