11408947199 has 4 divisors (see below), whose sum is σ = 12286558536. Its totient is φ = 10531335864.

The previous prime is 11408947103. The next prime is 11408947211. The reversal of 11408947199 is 99174980411.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11408947199 - 2⁸ = 11408946943 is a prime.

It is a super-3 number, since 3×11408947199³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11408947199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11408943199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438805649 + ... + 438805674.

It is an arithmetic number, because the mean of its divisors is an integer number (3071639634).

Almost surely, 2^11408947199 is an apocalyptic number.

11408947199 is a deficient number, since it is larger than the sum of its proper divisors (877611337).

11408947199 is an equidigital number, since it uses as much as digits as its factorization.

11408947199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877611336.

The product of its (nonzero) digits is 653184, while the sum is 53.

The spelling of 11408947199 in words is "eleven billion, four hundred eight million, nine hundred forty-seven thousand, one hundred ninety-nine".