11199940416 has 112 divisors (see below), whose sum is σ = 37629470080. Its totient is φ = 3199979520.

The previous prime is 11199940397. The next prime is 11199940457. The reversal of 11199940416 is 61404999111.

11199940416 is a `hidden beast` number, since 1 + 1 + 199 + 9 + 40 + 416 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

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, 450865 + ... + 475056.

Almost surely, 2^11199940416 is an apocalyptic number.

11199940416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

11199940416 is an abundant number, since it is smaller than the sum of its proper divisors (26429529664).

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

11199940416 is an equidigital number, since it uses as much as digits as its factorization.

11199940416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925949 (or 925933 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 45.

The spelling of 11199940416 in words is "eleven billion, one hundred ninety-nine million, nine hundred forty thousand, four hundred sixteen".