11239992019 has 8 divisors (see below), whose sum is σ = 11268018288. Its totient is φ = 11212000800.

The previous prime is 11239991993. The next prime is 11239992091. The reversal of 11239992019 is 91029993211.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11239992019 - 2¹⁵ = 11239959251 is a prime.

It is a super-2 number, since 2×11239992019² (a number of 21 digits) contains 22 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 11239992019.

It is not an unprimeable number, because it can be changed into a prime (11231992019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703629 + ... + 719425.

It is an arithmetic number, because the mean of its divisors is an integer number (1408502286).

Almost surely, 2^11239992019 is an apocalyptic number.

11239992019 is a deficient number, since it is larger than the sum of its proper divisors (28026269).

11239992019 is a wasteful number, since it uses less digits than its factorization.

11239992019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17525.

The product of its (nonzero) digits is 78732, while the sum is 46.

The spelling of 11239992019 in words is "eleven billion, two hundred thirty-nine million, nine hundred ninety-two thousand, nineteen".